Home / 10,896.31-15,031.91-6,417.92

Finding the Fourth Proportional to 10,896.31, 15,031.91 and 6,417.92

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Solution

The fourth proportional to 10,896.31, 15,031.91 and 6,417.92 is: 8,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.31 : 15,031.91 = 6,417.92 : x
  2. Step 2: Convert to fraction form
    10,896.31/15,031.91 = 6,417.92/x
  3. Step 3: Cross multiply
    10,896.31x = 15,031.91 × 6,417.92
  4. Step 4: Simplify right side
    10,896.31x = 96,473,488.58
  5. Step 5: Solve for x
    x = 96,473,488.58/10,896.31
  6. Step 6: Final answer
    x = 8,853.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.