Home / 9,021.47-12,449.65-5,042.58

Finding the Fourth Proportional to 9,021.47, 12,449.65 and 5,042.58

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Solution

The fourth proportional to 9,021.47, 12,449.65 and 5,042.58 is: 6,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.47 : 12,449.65 = 5,042.58 : x
  2. Step 2: Convert to fraction form
    9,021.47/12,449.65 = 5,042.58/x
  3. Step 3: Cross multiply
    9,021.47x = 12,449.65 × 5,042.58
  4. Step 4: Simplify right side
    9,021.47x = 62,778,328.75
  5. Step 5: Solve for x
    x = 62,778,328.75/9,021.47
  6. Step 6: Final answer
    x = 6,958.77

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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.