Home / 12,561.16-17,333.62-6,972.04

Finding the Fourth Proportional to 12,561.16, 17,333.62 and 6,972.04

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Solution

The fourth proportional to 12,561.16, 17,333.62 and 6,972.04 is: 9,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.16 : 17,333.62 = 6,972.04 : x
  2. Step 2: Convert to fraction form
    12,561.16/17,333.62 = 6,972.04/x
  3. Step 3: Cross multiply
    12,561.16x = 17,333.62 × 6,972.04
  4. Step 4: Simplify right side
    12,561.16x = 120,850,691.98
  5. Step 5: Solve for x
    x = 120,850,691.98/12,561.16
  6. Step 6: Final answer
    x = 9,620.98

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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.