Home / 8,153.87-11,248.47-5,502.13

Finding the Fourth Proportional to 8,153.87, 11,248.47 and 5,502.13

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Solution

The fourth proportional to 8,153.87, 11,248.47 and 5,502.13 is: 7,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.87 : 11,248.47 = 5,502.13 : x
  2. Step 2: Convert to fraction form
    8,153.87/11,248.47 = 5,502.13/x
  3. Step 3: Cross multiply
    8,153.87x = 11,248.47 × 5,502.13
  4. Step 4: Simplify right side
    8,153.87x = 61,890,516.12
  5. Step 5: Solve for x
    x = 61,890,516.12/8,153.87
  6. Step 6: Final answer
    x = 7,590.33

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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.