Home / 8,763.28-12,093.64-5,229.20

Finding the Fourth Proportional to 8,763.28, 12,093.64 and 5,229.20

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Solution

The fourth proportional to 8,763.28, 12,093.64 and 5,229.20 is: 7,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.28 : 12,093.64 = 5,229.20 : x
  2. Step 2: Convert to fraction form
    8,763.28/12,093.64 = 5,229.20/x
  3. Step 3: Cross multiply
    8,763.28x = 12,093.64 × 5,229.20
  4. Step 4: Simplify right side
    8,763.28x = 63,240,062.29
  5. Step 5: Solve for x
    x = 63,240,062.29/8,763.28
  6. Step 6: Final answer
    x = 7,216.48

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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.