Home / 8,260.48-11,404.80-5,469.76

Finding the Fourth Proportional to 8,260.48, 11,404.80 and 5,469.76

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Solution

The fourth proportional to 8,260.48, 11,404.80 and 5,469.76 is: 7,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.48 : 11,404.80 = 5,469.76 : x
  2. Step 2: Convert to fraction form
    8,260.48/11,404.80 = 5,469.76/x
  3. Step 3: Cross multiply
    8,260.48x = 11,404.80 × 5,469.76
  4. Step 4: Simplify right side
    8,260.48x = 62,381,518.85
  5. Step 5: Solve for x
    x = 62,381,518.85/8,260.48
  6. Step 6: Final answer
    x = 7,551.80

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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.