Home / 8,851.12-13,272.72-4,471.12

Finding the Fourth Proportional to 8,851.12, 13,272.72 and 4,471.12

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Solution

The fourth proportional to 8,851.12, 13,272.72 and 4,471.12 is: 6,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.12 : 13,272.72 = 4,471.12 : x
  2. Step 2: Convert to fraction form
    8,851.12/13,272.72 = 4,471.12/x
  3. Step 3: Cross multiply
    8,851.12x = 13,272.72 × 4,471.12
  4. Step 4: Simplify right side
    8,851.12x = 59,343,923.85
  5. Step 5: Solve for x
    x = 59,343,923.85/8,851.12
  6. Step 6: Final answer
    x = 6,704.68

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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.