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Finding the Fourth Proportional to 9,203.60, 12,697.08 and 7,609.52

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Solution

The fourth proportional to 9,203.60, 12,697.08 and 7,609.52 is: 10,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.60 : 12,697.08 = 7,609.52 : x
  2. Step 2: Convert to fraction form
    9,203.60/12,697.08 = 7,609.52/x
  3. Step 3: Cross multiply
    9,203.60x = 12,697.08 × 7,609.52
  4. Step 4: Simplify right side
    9,203.60x = 96,618,684.20
  5. Step 5: Solve for x
    x = 96,618,684.20/9,203.60
  6. Step 6: Final answer
    x = 10,497.92

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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.