Home / 9,252.18-12,853.59-9,165.71

Finding the Fourth Proportional to 9,252.18, 12,853.59 and 9,165.71

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Solution

The fourth proportional to 9,252.18, 12,853.59 and 9,165.71 is: 12,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.18 : 12,853.59 = 9,165.71 : x
  2. Step 2: Convert to fraction form
    9,252.18/12,853.59 = 9,165.71/x
  3. Step 3: Cross multiply
    9,252.18x = 12,853.59 × 9,165.71
  4. Step 4: Simplify right side
    9,252.18x = 117,812,214.13
  5. Step 5: Solve for x
    x = 117,812,214.13/9,252.18
  6. Step 6: Final answer
    x = 12,733.45

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