Home / 12,867.27-17,732.57-10,312.13

Finding the Fourth Proportional to 12,867.27, 17,732.57 and 10,312.13

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Solution

The fourth proportional to 12,867.27, 17,732.57 and 10,312.13 is: 14,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.27 : 17,732.57 = 10,312.13 : x
  2. Step 2: Convert to fraction form
    12,867.27/17,732.57 = 10,312.13/x
  3. Step 3: Cross multiply
    12,867.27x = 17,732.57 × 10,312.13
  4. Step 4: Simplify right side
    12,867.27x = 182,860,426.85
  5. Step 5: Solve for x
    x = 182,860,426.85/12,867.27
  6. Step 6: Final answer
    x = 14,211.28

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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.