Home / 12,724.95-17,560.41-7,060.57

Finding the Fourth Proportional to 12,724.95, 17,560.41 and 7,060.57

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Solution

The fourth proportional to 12,724.95, 17,560.41 and 7,060.57 is: 9,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.95 : 17,560.41 = 7,060.57 : x
  2. Step 2: Convert to fraction form
    12,724.95/17,560.41 = 7,060.57/x
  3. Step 3: Cross multiply
    12,724.95x = 17,560.41 × 7,060.57
  4. Step 4: Simplify right side
    12,724.95x = 123,986,433.66
  5. Step 5: Solve for x
    x = 123,986,433.66/12,724.95
  6. Step 6: Final answer
    x = 9,743.57

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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.