Home / 7,418.16-11,112.72-5,849.76

Finding the Fourth Proportional to 7,418.16, 11,112.72 and 5,849.76

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Solution

The fourth proportional to 7,418.16, 11,112.72 and 5,849.76 is: 8,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.16 : 11,112.72 = 5,849.76 : x
  2. Step 2: Convert to fraction form
    7,418.16/11,112.72 = 5,849.76/x
  3. Step 3: Cross multiply
    7,418.16x = 11,112.72 × 5,849.76
  4. Step 4: Simplify right side
    7,418.16x = 65,006,744.95
  5. Step 5: Solve for x
    x = 65,006,744.95/7,418.16
  6. Step 6: Final answer
    x = 8,763.19

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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.