Home / 8,241.12-11,391.42-7,587.18

Finding the Fourth Proportional to 8,241.12, 11,391.42 and 7,587.18

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Solution

The fourth proportional to 8,241.12, 11,391.42 and 7,587.18 is: 10,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.12 : 11,391.42 = 7,587.18 : x
  2. Step 2: Convert to fraction form
    8,241.12/11,391.42 = 7,587.18/x
  3. Step 3: Cross multiply
    8,241.12x = 11,391.42 × 7,587.18
  4. Step 4: Simplify right side
    8,241.12x = 86,428,754.00
  5. Step 5: Solve for x
    x = 86,428,754.00/8,241.12
  6. Step 6: Final answer
    x = 10,487.50

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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.