Home / 10,721.52-14,790.96-6,471.36

Finding the Fourth Proportional to 10,721.52, 14,790.96 and 6,471.36

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Solution

The fourth proportional to 10,721.52, 14,790.96 and 6,471.36 is: 8,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.52 : 14,790.96 = 6,471.36 : x
  2. Step 2: Convert to fraction form
    10,721.52/14,790.96 = 6,471.36/x
  3. Step 3: Cross multiply
    10,721.52x = 14,790.96 × 6,471.36
  4. Step 4: Simplify right side
    10,721.52x = 95,717,626.91
  5. Step 5: Solve for x
    x = 95,717,626.91/10,721.52
  6. Step 6: Final answer
    x = 8,927.62

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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.