Home / 8,700.75-13,052.15-6,523.32

Finding the Fourth Proportional to 8,700.75, 13,052.15 and 6,523.32

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Solution

The fourth proportional to 8,700.75, 13,052.15 and 6,523.32 is: 9,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.75 : 13,052.15 = 6,523.32 : x
  2. Step 2: Convert to fraction form
    8,700.75/13,052.15 = 6,523.32/x
  3. Step 3: Cross multiply
    8,700.75x = 13,052.15 × 6,523.32
  4. Step 4: Simplify right side
    8,700.75x = 85,143,351.14
  5. Step 5: Solve for x
    x = 85,143,351.14/8,700.75
  6. Step 6: Final answer
    x = 9,785.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.