Home / 8,488.18-11,713.50-4,711.12

Finding the Fourth Proportional to 8,488.18, 11,713.50 and 4,711.12

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Solution

The fourth proportional to 8,488.18, 11,713.50 and 4,711.12 is: 6,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.18 : 11,713.50 = 4,711.12 : x
  2. Step 2: Convert to fraction form
    8,488.18/11,713.50 = 4,711.12/x
  3. Step 3: Cross multiply
    8,488.18x = 11,713.50 × 4,711.12
  4. Step 4: Simplify right side
    8,488.18x = 55,183,704.12
  5. Step 5: Solve for x
    x = 55,183,704.12/8,488.18
  6. Step 6: Final answer
    x = 6,501.24

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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.