Home / 7,349.78-11,020.52-2,418.10

Finding the Fourth Proportional to 7,349.78, 11,020.52 and 2,418.10

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Solution

The fourth proportional to 7,349.78, 11,020.52 and 2,418.10 is: 3,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.78 : 11,020.52 = 2,418.10 : x
  2. Step 2: Convert to fraction form
    7,349.78/11,020.52 = 2,418.10/x
  3. Step 3: Cross multiply
    7,349.78x = 11,020.52 × 2,418.10
  4. Step 4: Simplify right side
    7,349.78x = 26,648,697.91
  5. Step 5: Solve for x
    x = 26,648,697.91/7,349.78
  6. Step 6: Final answer
    x = 3,625.78

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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.