Home / 10,634.28-14,675.78-8,862.92

Finding the Fourth Proportional to 10,634.28, 14,675.78 and 8,862.92

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Solution

The fourth proportional to 10,634.28, 14,675.78 and 8,862.92 is: 12,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.28 : 14,675.78 = 8,862.92 : x
  2. Step 2: Convert to fraction form
    10,634.28/14,675.78 = 8,862.92/x
  3. Step 3: Cross multiply
    10,634.28x = 14,675.78 × 8,862.92
  4. Step 4: Simplify right side
    10,634.28x = 130,070,264.08
  5. Step 5: Solve for x
    x = 130,070,264.08/10,634.28
  6. Step 6: Final answer
    x = 12,231.22

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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.