Home / 9,207.92-12,706.52-5,230.02

Finding the Fourth Proportional to 9,207.92, 12,706.52 and 5,230.02

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Solution

The fourth proportional to 9,207.92, 12,706.52 and 5,230.02 is: 7,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.92 : 12,706.52 = 5,230.02 : x
  2. Step 2: Convert to fraction form
    9,207.92/12,706.52 = 5,230.02/x
  3. Step 3: Cross multiply
    9,207.92x = 12,706.52 × 5,230.02
  4. Step 4: Simplify right side
    9,207.92x = 66,455,353.73
  5. Step 5: Solve for x
    x = 66,455,353.73/9,207.92
  6. Step 6: Final answer
    x = 7,217.19

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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.