Home / 10,372.74-15,550.47-7,469.70

Finding the Fourth Proportional to 10,372.74, 15,550.47 and 7,469.70

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Solution

The fourth proportional to 10,372.74, 15,550.47 and 7,469.70 is: 11,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.74 : 15,550.47 = 7,469.70 : x
  2. Step 2: Convert to fraction form
    10,372.74/15,550.47 = 7,469.70/x
  3. Step 3: Cross multiply
    10,372.74x = 15,550.47 × 7,469.70
  4. Step 4: Simplify right side
    10,372.74x = 116,157,345.76
  5. Step 5: Solve for x
    x = 116,157,345.76/10,372.74
  6. Step 6: Final answer
    x = 11,198.33

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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.