Home / 7,515.25-10,361.12-6,165.92

Finding the Fourth Proportional to 7,515.25, 10,361.12 and 6,165.92

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Solution

The fourth proportional to 7,515.25, 10,361.12 and 6,165.92 is: 8,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.25 : 10,361.12 = 6,165.92 : x
  2. Step 2: Convert to fraction form
    7,515.25/10,361.12 = 6,165.92/x
  3. Step 3: Cross multiply
    7,515.25x = 10,361.12 × 6,165.92
  4. Step 4: Simplify right side
    7,515.25x = 63,885,832.10
  5. Step 5: Solve for x
    x = 63,885,832.10/7,515.25
  6. Step 6: Final answer
    x = 8,500.83

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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.