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Finding the Fourth Proportional to 9,598.59, 13,251.28 and 6,630.39

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Solution

The fourth proportional to 9,598.59, 13,251.28 and 6,630.39 is: 9,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,598.59 : 13,251.28 = 6,630.39 : x
  2. Step 2: Convert to fraction form
    9,598.59/13,251.28 = 6,630.39/x
  3. Step 3: Cross multiply
    9,598.59x = 13,251.28 × 6,630.39
  4. Step 4: Simplify right side
    9,598.59x = 87,861,162.67
  5. Step 5: Solve for x
    x = 87,861,162.67/9,598.59
  6. Step 6: Final answer
    x = 9,153.55

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Half scale
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Double scale
Find fourth proportional to 9,599.59, 13,252.66 and 6,631.39
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.