Home / 7,472.28-11,210.04-2,278.56

Finding the Fourth Proportional to 7,472.28, 11,210.04 and 2,278.56

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Solution

The fourth proportional to 7,472.28, 11,210.04 and 2,278.56 is: 3,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.28 : 11,210.04 = 2,278.56 : x
  2. Step 2: Convert to fraction form
    7,472.28/11,210.04 = 2,278.56/x
  3. Step 3: Cross multiply
    7,472.28x = 11,210.04 × 2,278.56
  4. Step 4: Simplify right side
    7,472.28x = 25,542,748.74
  5. Step 5: Solve for x
    x = 25,542,748.74/7,472.28
  6. Step 6: Final answer
    x = 3,418.33

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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.