Home / 7,518.90-11,278.53-2,324.79

Finding the Fourth Proportional to 7,518.90, 11,278.53 and 2,324.79

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Solution

The fourth proportional to 7,518.90, 11,278.53 and 2,324.79 is: 3,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.90 : 11,278.53 = 2,324.79 : x
  2. Step 2: Convert to fraction form
    7,518.90/11,278.53 = 2,324.79/x
  3. Step 3: Cross multiply
    7,518.90x = 11,278.53 × 2,324.79
  4. Step 4: Simplify right side
    7,518.90x = 26,220,213.76
  5. Step 5: Solve for x
    x = 26,220,213.76/7,518.90
  6. Step 6: Final answer
    x = 3,487.24

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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.