Home / 9,021.35-12,449.51-5,042.38

Finding the Fourth Proportional to 9,021.35, 12,449.51 and 5,042.38

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Solution

The fourth proportional to 9,021.35, 12,449.51 and 5,042.38 is: 6,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.35 : 12,449.51 = 5,042.38 : x
  2. Step 2: Convert to fraction form
    9,021.35/12,449.51 = 5,042.38/x
  3. Step 3: Cross multiply
    9,021.35x = 12,449.51 × 5,042.38
  4. Step 4: Simplify right side
    9,021.35x = 62,775,160.23
  5. Step 5: Solve for x
    x = 62,775,160.23/9,021.35
  6. Step 6: Final answer
    x = 6,958.51

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Find fourth proportional to 4,510.68, 6,224.76 and 2,521.19
Half scale
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Double scale
Find fourth proportional to 9,022.35, 12,450.89 and 5,043.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.