Home / 10,876.28-16,305.00-6,484.51

Finding the Fourth Proportional to 10,876.28, 16,305.00 and 6,484.51

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Solution

The fourth proportional to 10,876.28, 16,305.00 and 6,484.51 is: 9,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.28 : 16,305.00 = 6,484.51 : x
  2. Step 2: Convert to fraction form
    10,876.28/16,305.00 = 6,484.51/x
  3. Step 3: Cross multiply
    10,876.28x = 16,305.00 × 6,484.51
  4. Step 4: Simplify right side
    10,876.28x = 105,729,839.90
  5. Step 5: Solve for x
    x = 105,729,839.90/10,876.28
  6. Step 6: Final answer
    x = 9,721.14

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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.