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Finding the Fourth Proportional to 9,097.92, 12,555.10 and 5,119.00

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Solution

The fourth proportional to 9,097.92, 12,555.10 and 5,119.00 is: 7,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.92 : 12,555.10 = 5,119.00 : x
  2. Step 2: Convert to fraction form
    9,097.92/12,555.10 = 5,119.00/x
  3. Step 3: Cross multiply
    9,097.92x = 12,555.10 × 5,119.00
  4. Step 4: Simplify right side
    9,097.92x = 64,269,531.91
  5. Step 5: Solve for x
    x = 64,269,531.91/9,097.92
  6. Step 6: Final answer
    x = 7,064.20

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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.