Home / 12,366.20-17,066.44-7,062.72

Finding the Fourth Proportional to 12,366.20, 17,066.44 and 7,062.72

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Solution

The fourth proportional to 12,366.20, 17,066.44 and 7,062.72 is: 9,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.20 : 17,066.44 = 7,062.72 : x
  2. Step 2: Convert to fraction form
    12,366.20/17,066.44 = 7,062.72/x
  3. Step 3: Cross multiply
    12,366.20x = 17,066.44 × 7,062.72
  4. Step 4: Simplify right side
    12,366.20x = 120,535,487.12
  5. Step 5: Solve for x
    x = 120,535,487.12/12,366.20
  6. Step 6: Final answer
    x = 9,747.17

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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.