Home / 8,385.14-11,576.56-5,554.92

Finding the Fourth Proportional to 8,385.14, 11,576.56 and 5,554.92

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Solution

The fourth proportional to 8,385.14, 11,576.56 and 5,554.92 is: 7,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.14 : 11,576.56 = 5,554.92 : x
  2. Step 2: Convert to fraction form
    8,385.14/11,576.56 = 5,554.92/x
  3. Step 3: Cross multiply
    8,385.14x = 11,576.56 × 5,554.92
  4. Step 4: Simplify right side
    8,385.14x = 64,306,850.79
  5. Step 5: Solve for x
    x = 64,306,850.79/8,385.14
  6. Step 6: Final answer
    x = 7,669.15

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Half scale
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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.