Home / 10,010.76-13,815.72-5,535.24

Finding the Fourth Proportional to 10,010.76, 13,815.72 and 5,535.24

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Solution

The fourth proportional to 10,010.76, 13,815.72 and 5,535.24 is: 7,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.76 : 13,815.72 = 5,535.24 : x
  2. Step 2: Convert to fraction form
    10,010.76/13,815.72 = 5,535.24/x
  3. Step 3: Cross multiply
    10,010.76x = 13,815.72 × 5,535.24
  4. Step 4: Simplify right side
    10,010.76x = 76,473,325.97
  5. Step 5: Solve for x
    x = 76,473,325.97/10,010.76
  6. Step 6: Final answer
    x = 7,639.11

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Double scale
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1.5x scale

Why These Related Problems?

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