Home / 8,861.25-12,228.54-4,882.35

Finding the Fourth Proportional to 8,861.25, 12,228.54 and 4,882.35

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Solution

The fourth proportional to 8,861.25, 12,228.54 and 4,882.35 is: 6,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.25 : 12,228.54 = 4,882.35 : x
  2. Step 2: Convert to fraction form
    8,861.25/12,228.54 = 4,882.35/x
  3. Step 3: Cross multiply
    8,861.25x = 12,228.54 × 4,882.35
  4. Step 4: Simplify right side
    8,861.25x = 59,704,012.27
  5. Step 5: Solve for x
    x = 59,704,012.27/8,861.25
  6. Step 6: Final answer
    x = 6,737.65

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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.