Home / 10,555.52-15,833.28-5,005.85

Finding the Fourth Proportional to 10,555.52, 15,833.28 and 5,005.85

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Solution

The fourth proportional to 10,555.52, 15,833.28 and 5,005.85 is: 7,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.52 : 15,833.28 = 5,005.85 : x
  2. Step 2: Convert to fraction form
    10,555.52/15,833.28 = 5,005.85/x
  3. Step 3: Cross multiply
    10,555.52x = 15,833.28 × 5,005.85
  4. Step 4: Simplify right side
    10,555.52x = 79,258,945.52
  5. Step 5: Solve for x
    x = 79,258,945.52/10,555.52
  6. Step 6: Final answer
    x = 7,508.77

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Similar ratio
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1.5x scale

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.