Home / 8,046.72-11,107.62-6,158.19

Finding the Fourth Proportional to 8,046.72, 11,107.62 and 6,158.19

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Solution

The fourth proportional to 8,046.72, 11,107.62 and 6,158.19 is: 8,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.72 : 11,107.62 = 6,158.19 : x
  2. Step 2: Convert to fraction form
    8,046.72/11,107.62 = 6,158.19/x
  3. Step 3: Cross multiply
    8,046.72x = 11,107.62 × 6,158.19
  4. Step 4: Simplify right side
    8,046.72x = 68,402,834.41
  5. Step 5: Solve for x
    x = 68,402,834.41/8,046.72
  6. Step 6: Final answer
    x = 8,500.71

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Half scale
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Double scale
Find fourth proportional to 8,047.72, 11,109 and 6,159.19
Similar ratio
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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.