Home / 8,883.76-13,318.08-5,423.44

Finding the Fourth Proportional to 8,883.76, 13,318.08 and 5,423.44

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Solution

The fourth proportional to 8,883.76, 13,318.08 and 5,423.44 is: 8,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.76 : 13,318.08 = 5,423.44 : x
  2. Step 2: Convert to fraction form
    8,883.76/13,318.08 = 5,423.44/x
  3. Step 3: Cross multiply
    8,883.76x = 13,318.08 × 5,423.44
  4. Step 4: Simplify right side
    8,883.76x = 72,229,807.80
  5. Step 5: Solve for x
    x = 72,229,807.80/8,883.76
  6. Step 6: Final answer
    x = 8,130.54

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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.