Home / 8,248.13-12,351.68-5,771.34

Finding the Fourth Proportional to 8,248.13, 12,351.68 and 5,771.34

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Solution

The fourth proportional to 8,248.13, 12,351.68 and 5,771.34 is: 8,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.13 : 12,351.68 = 5,771.34 : x
  2. Step 2: Convert to fraction form
    8,248.13/12,351.68 = 5,771.34/x
  3. Step 3: Cross multiply
    8,248.13x = 12,351.68 × 5,771.34
  4. Step 4: Simplify right side
    8,248.13x = 71,285,715.99
  5. Step 5: Solve for x
    x = 71,285,715.99/8,248.13
  6. Step 6: Final answer
    x = 8,642.66

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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.