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Finding the Fourth Proportional to 9,041.18, 12,484.12 and 7,151.18

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Solution

The fourth proportional to 9,041.18, 12,484.12 and 7,151.18 is: 9,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.18 : 12,484.12 = 7,151.18 : x
  2. Step 2: Convert to fraction form
    9,041.18/12,484.12 = 7,151.18/x
  3. Step 3: Cross multiply
    9,041.18x = 12,484.12 × 7,151.18
  4. Step 4: Simplify right side
    9,041.18x = 89,276,189.26
  5. Step 5: Solve for x
    x = 89,276,189.26/9,041.18
  6. Step 6: Final answer
    x = 9,874.40

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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.