Home / 9,853.39-13,593.85-6,318.55

Finding the Fourth Proportional to 9,853.39, 13,593.85 and 6,318.55

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Solution

The fourth proportional to 9,853.39, 13,593.85 and 6,318.55 is: 8,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.39 : 13,593.85 = 6,318.55 : x
  2. Step 2: Convert to fraction form
    9,853.39/13,593.85 = 6,318.55/x
  3. Step 3: Cross multiply
    9,853.39x = 13,593.85 × 6,318.55
  4. Step 4: Simplify right side
    9,853.39x = 85,893,420.92
  5. Step 5: Solve for x
    x = 85,893,420.92/9,853.39
  6. Step 6: Final answer
    x = 8,717.14

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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.