Home / 10,547.32-15,822.38-3,882.91

Finding the Fourth Proportional to 10,547.32, 15,822.38 and 3,882.91

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Solution

The fourth proportional to 10,547.32, 15,822.38 and 3,882.91 is: 5,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.32 : 15,822.38 = 3,882.91 : x
  2. Step 2: Convert to fraction form
    10,547.32/15,822.38 = 3,882.91/x
  3. Step 3: Cross multiply
    10,547.32x = 15,822.38 × 3,882.91
  4. Step 4: Simplify right side
    10,547.32x = 61,436,858.11
  5. Step 5: Solve for x
    x = 61,436,858.11/10,547.32
  6. Step 6: Final answer
    x = 5,824.88

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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.