Home / 10,763.28-14,833.80-8,104.32

Finding the Fourth Proportional to 10,763.28, 14,833.80 and 8,104.32

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Solution

The fourth proportional to 10,763.28, 14,833.80 and 8,104.32 is: 11,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.28 : 14,833.80 = 8,104.32 : x
  2. Step 2: Convert to fraction form
    10,763.28/14,833.80 = 8,104.32/x
  3. Step 3: Cross multiply
    10,763.28x = 14,833.80 × 8,104.32
  4. Step 4: Simplify right side
    10,763.28x = 120,217,862.02
  5. Step 5: Solve for x
    x = 120,217,862.02/10,763.28
  6. Step 6: Final answer
    x = 11,169.26

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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.