Home / 7,480.14-11,213.70-5,529.66

Finding the Fourth Proportional to 7,480.14, 11,213.70 and 5,529.66

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Solution

The fourth proportional to 7,480.14, 11,213.70 and 5,529.66 is: 8,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.14 : 11,213.70 = 5,529.66 : x
  2. Step 2: Convert to fraction form
    7,480.14/11,213.70 = 5,529.66/x
  3. Step 3: Cross multiply
    7,480.14x = 11,213.70 × 5,529.66
  4. Step 4: Simplify right side
    7,480.14x = 62,007,948.34
  5. Step 5: Solve for x
    x = 62,007,948.34/7,480.14
  6. Step 6: Final answer
    x = 8,289.68

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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.