Home / 8,165.28-11,272.86-5,925

Finding the Fourth Proportional to 8,165.28, 11,272.86 and 5,925

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Solution

The fourth proportional to 8,165.28, 11,272.86 and 5,925 is: 8,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.28 : 11,272.86 = 5,925 : x
  2. Step 2: Convert to fraction form
    8,165.28/11,272.86 = 5,925/x
  3. Step 3: Cross multiply
    8,165.28x = 11,272.86 × 5,925
  4. Step 4: Simplify right side
    8,165.28x = 66,791,695.50
  5. Step 5: Solve for x
    x = 66,791,695.50/8,165.28
  6. Step 6: Final answer
    x = 8,179.96

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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.