Home / 7,551.32-11,325.18-3,168.86

Finding the Fourth Proportional to 7,551.32, 11,325.18 and 3,168.86

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Solution

The fourth proportional to 7,551.32, 11,325.18 and 3,168.86 is: 4,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.32 : 11,325.18 = 3,168.86 : x
  2. Step 2: Convert to fraction form
    7,551.32/11,325.18 = 3,168.86/x
  3. Step 3: Cross multiply
    7,551.32x = 11,325.18 × 3,168.86
  4. Step 4: Simplify right side
    7,551.32x = 35,887,909.89
  5. Step 5: Solve for x
    x = 35,887,909.89/7,551.32
  6. Step 6: Final answer
    x = 4,752.53

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1.5x scale

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.