Home / 9,021.14-12,449.13-5,042.25

Finding the Fourth Proportional to 9,021.14, 12,449.13 and 5,042.25

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Solution

The fourth proportional to 9,021.14, 12,449.13 and 5,042.25 is: 6,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.14 : 12,449.13 = 5,042.25 : x
  2. Step 2: Convert to fraction form
    9,021.14/12,449.13 = 5,042.25/x
  3. Step 3: Cross multiply
    9,021.14x = 12,449.13 × 5,042.25
  4. Step 4: Simplify right side
    9,021.14x = 62,771,625.74
  5. Step 5: Solve for x
    x = 62,771,625.74/9,021.14
  6. Step 6: Final answer
    x = 6,958.28

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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.