Home / 8,151.94-11,248.57-4,792.78

Finding the Fourth Proportional to 8,151.94, 11,248.57 and 4,792.78

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Solution

The fourth proportional to 8,151.94, 11,248.57 and 4,792.78 is: 6,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.94 : 11,248.57 = 4,792.78 : x
  2. Step 2: Convert to fraction form
    8,151.94/11,248.57 = 4,792.78/x
  3. Step 3: Cross multiply
    8,151.94x = 11,248.57 × 4,792.78
  4. Step 4: Simplify right side
    8,151.94x = 53,911,921.32
  5. Step 5: Solve for x
    x = 53,911,921.32/8,151.94
  6. Step 6: Final answer
    x = 6,613.39

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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.