Home / 10,016.81-15,020.83-4,753.32

Finding the Fourth Proportional to 10,016.81, 15,020.83 and 4,753.32

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Solution

The fourth proportional to 10,016.81, 15,020.83 and 4,753.32 is: 7,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.81 : 15,020.83 = 4,753.32 : x
  2. Step 2: Convert to fraction form
    10,016.81/15,020.83 = 4,753.32/x
  3. Step 3: Cross multiply
    10,016.81x = 15,020.83 × 4,753.32
  4. Step 4: Simplify right side
    10,016.81x = 71,398,861.27
  5. Step 5: Solve for x
    x = 71,398,861.27/10,016.81
  6. Step 6: Final answer
    x = 7,127.91

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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.