Home / 8,149.95-11,247.20-4,613.09

Finding the Fourth Proportional to 8,149.95, 11,247.20 and 4,613.09

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Solution

The fourth proportional to 8,149.95, 11,247.20 and 4,613.09 is: 6,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.95 : 11,247.20 = 4,613.09 : x
  2. Step 2: Convert to fraction form
    8,149.95/11,247.20 = 4,613.09/x
  3. Step 3: Cross multiply
    8,149.95x = 11,247.20 × 4,613.09
  4. Step 4: Simplify right side
    8,149.95x = 51,884,266.55
  5. Step 5: Solve for x
    x = 51,884,266.55/8,149.95
  6. Step 6: Final answer
    x = 6,366.21

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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.