Home / 10,862.25-14,989.92-6,146.43

Finding the Fourth Proportional to 10,862.25, 14,989.92 and 6,146.43

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Solution

The fourth proportional to 10,862.25, 14,989.92 and 6,146.43 is: 8,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.25 : 14,989.92 = 6,146.43 : x
  2. Step 2: Convert to fraction form
    10,862.25/14,989.92 = 6,146.43/x
  3. Step 3: Cross multiply
    10,862.25x = 14,989.92 × 6,146.43
  4. Step 4: Simplify right side
    10,862.25x = 92,134,493.99
  5. Step 5: Solve for x
    x = 92,134,493.99/10,862.25
  6. Step 6: Final answer
    x = 8,482.08

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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.