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Finding the Fourth Proportional to 9,098.46, 12,555.27 and 5,119.47

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Solution

The fourth proportional to 9,098.46, 12,555.27 and 5,119.47 is: 7,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.46 : 12,555.27 = 5,119.47 : x
  2. Step 2: Convert to fraction form
    9,098.46/12,555.27 = 5,119.47/x
  3. Step 3: Cross multiply
    9,098.46x = 12,555.27 × 5,119.47
  4. Step 4: Simplify right side
    9,098.46x = 64,276,328.11
  5. Step 5: Solve for x
    x = 64,276,328.11/9,098.46
  6. Step 6: Final answer
    x = 7,064.53

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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.