Home / 15,125.12-22,691.36-5,264.45

Finding the Fourth Proportional to 15,125.12, 22,691.36 and 5,264.45

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Solution

The fourth proportional to 15,125.12, 22,691.36 and 5,264.45 is: 7,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.12 : 22,691.36 = 5,264.45 : x
  2. Step 2: Convert to fraction form
    15,125.12/22,691.36 = 5,264.45/x
  3. Step 3: Cross multiply
    15,125.12x = 22,691.36 × 5,264.45
  4. Step 4: Simplify right side
    15,125.12x = 119,457,530.15
  5. Step 5: Solve for x
    x = 119,457,530.15/15,125.12
  6. Step 6: Final answer
    x = 7,897.96

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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.