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Finding the Fourth Proportional to 9,495.72, 13,098.18 and 6,838.92

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Solution

The fourth proportional to 9,495.72, 13,098.18 and 6,838.92 is: 9,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,495.72 : 13,098.18 = 6,838.92 : x
  2. Step 2: Convert to fraction form
    9,495.72/13,098.18 = 6,838.92/x
  3. Step 3: Cross multiply
    9,495.72x = 13,098.18 × 6,838.92
  4. Step 4: Simplify right side
    9,495.72x = 89,577,405.17
  5. Step 5: Solve for x
    x = 89,577,405.17/9,495.72
  6. Step 6: Final answer
    x = 9,433.45

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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.