Home / 8,716.42-12,028.80-4,737.54

Finding the Fourth Proportional to 8,716.42, 12,028.80 and 4,737.54

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Solution

The fourth proportional to 8,716.42, 12,028.80 and 4,737.54 is: 6,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.42 : 12,028.80 = 4,737.54 : x
  2. Step 2: Convert to fraction form
    8,716.42/12,028.80 = 4,737.54/x
  3. Step 3: Cross multiply
    8,716.42x = 12,028.80 × 4,737.54
  4. Step 4: Simplify right side
    8,716.42x = 56,986,921.15
  5. Step 5: Solve for x
    x = 56,986,921.15/8,716.42
  6. Step 6: Final answer
    x = 6,537.88

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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.