Home / 9,421.92-14,146.68-5,270.04

Finding the Fourth Proportional to 9,421.92, 14,146.68 and 5,270.04

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Solution

The fourth proportional to 9,421.92, 14,146.68 and 5,270.04 is: 7,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.92 : 14,146.68 = 5,270.04 : x
  2. Step 2: Convert to fraction form
    9,421.92/14,146.68 = 5,270.04/x
  3. Step 3: Cross multiply
    9,421.92x = 14,146.68 × 5,270.04
  4. Step 4: Simplify right side
    9,421.92x = 74,553,569.47
  5. Step 5: Solve for x
    x = 74,553,569.47/9,421.92
  6. Step 6: Final answer
    x = 7,912.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.