Home / 11,585.76-17,374.98-3,792.78

Finding the Fourth Proportional to 11,585.76, 17,374.98 and 3,792.78

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Solution

The fourth proportional to 11,585.76, 17,374.98 and 3,792.78 is: 5,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.76 : 17,374.98 = 3,792.78 : x
  2. Step 2: Convert to fraction form
    11,585.76/17,374.98 = 3,792.78/x
  3. Step 3: Cross multiply
    11,585.76x = 17,374.98 × 3,792.78
  4. Step 4: Simplify right side
    11,585.76x = 65,899,476.64
  5. Step 5: Solve for x
    x = 65,899,476.64/11,585.76
  6. Step 6: Final answer
    x = 5,687.97

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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.