Home / 10,972.52-15,142.23-6,192.71

Finding the Fourth Proportional to 10,972.52, 15,142.23 and 6,192.71

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Solution

The fourth proportional to 10,972.52, 15,142.23 and 6,192.71 is: 8,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.52 : 15,142.23 = 6,192.71 : x
  2. Step 2: Convert to fraction form
    10,972.52/15,142.23 = 6,192.71/x
  3. Step 3: Cross multiply
    10,972.52x = 15,142.23 × 6,192.71
  4. Step 4: Simplify right side
    10,972.52x = 93,771,363.43
  5. Step 5: Solve for x
    x = 93,771,363.43/10,972.52
  6. Step 6: Final answer
    x = 8,546.02

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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.