Home / 9,853.85-14,757.28-5,685.14

Finding the Fourth Proportional to 9,853.85, 14,757.28 and 5,685.14

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Solution

The fourth proportional to 9,853.85, 14,757.28 and 5,685.14 is: 8,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.85 : 14,757.28 = 5,685.14 : x
  2. Step 2: Convert to fraction form
    9,853.85/14,757.28 = 5,685.14/x
  3. Step 3: Cross multiply
    9,853.85x = 14,757.28 × 5,685.14
  4. Step 4: Simplify right side
    9,853.85x = 83,897,202.82
  5. Step 5: Solve for x
    x = 83,897,202.82/9,853.85
  6. Step 6: Final answer
    x = 8,514.15

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