Home / 10,467.20-15,700.81-3,892.53

Finding the Fourth Proportional to 10,467.20, 15,700.81 and 3,892.53

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Solution

The fourth proportional to 10,467.20, 15,700.81 and 3,892.53 is: 5,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.20 : 15,700.81 = 3,892.53 : x
  2. Step 2: Convert to fraction form
    10,467.20/15,700.81 = 3,892.53/x
  3. Step 3: Cross multiply
    10,467.20x = 15,700.81 × 3,892.53
  4. Step 4: Simplify right side
    10,467.20x = 61,115,864.22
  5. Step 5: Solve for x
    x = 61,115,864.22/10,467.20
  6. Step 6: Final answer
    x = 5,838.80

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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.