Home / 12,562.40-17,292.62-10,860.12

Finding the Fourth Proportional to 12,562.40, 17,292.62 and 10,860.12

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Solution

The fourth proportional to 12,562.40, 17,292.62 and 10,860.12 is: 14,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.40 : 17,292.62 = 10,860.12 : x
  2. Step 2: Convert to fraction form
    12,562.40/17,292.62 = 10,860.12/x
  3. Step 3: Cross multiply
    12,562.40x = 17,292.62 × 10,860.12
  4. Step 4: Simplify right side
    12,562.40x = 187,799,955.46
  5. Step 5: Solve for x
    x = 187,799,955.46/12,562.40
  6. Step 6: Final answer
    x = 14,949.37

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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.