Home / 8,151.35-11,249.10-4,614.75

Finding the Fourth Proportional to 8,151.35, 11,249.10 and 4,614.75

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Solution

The fourth proportional to 8,151.35, 11,249.10 and 4,614.75 is: 6,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.35 : 11,249.10 = 4,614.75 : x
  2. Step 2: Convert to fraction form
    8,151.35/11,249.10 = 4,614.75/x
  3. Step 3: Cross multiply
    8,151.35x = 11,249.10 × 4,614.75
  4. Step 4: Simplify right side
    8,151.35x = 51,911,784.23
  5. Step 5: Solve for x
    x = 51,911,784.23/8,151.35
  6. Step 6: Final answer
    x = 6,368.49

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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.