Home / 9,527.82-13,143.98-6,171.74

Finding the Fourth Proportional to 9,527.82, 13,143.98 and 6,171.74

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Solution

The fourth proportional to 9,527.82, 13,143.98 and 6,171.74 is: 8,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.82 : 13,143.98 = 6,171.74 : x
  2. Step 2: Convert to fraction form
    9,527.82/13,143.98 = 6,171.74/x
  3. Step 3: Cross multiply
    9,527.82x = 13,143.98 × 6,171.74
  4. Step 4: Simplify right side
    9,527.82x = 81,121,227.13
  5. Step 5: Solve for x
    x = 81,121,227.13/9,527.82
  6. Step 6: Final answer
    x = 8,514.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.