Home / 8,174.16-12,261.18-5,713.77

Finding the Fourth Proportional to 8,174.16, 12,261.18 and 5,713.77

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Solution

The fourth proportional to 8,174.16, 12,261.18 and 5,713.77 is: 8,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.16 : 12,261.18 = 5,713.77 : x
  2. Step 2: Convert to fraction form
    8,174.16/12,261.18 = 5,713.77/x
  3. Step 3: Cross multiply
    8,174.16x = 12,261.18 × 5,713.77
  4. Step 4: Simplify right side
    8,174.16x = 70,057,562.45
  5. Step 5: Solve for x
    x = 70,057,562.45/8,174.16
  6. Step 6: Final answer
    x = 8,570.61

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Half scale
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Double scale
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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.