Home / 7,417.44-11,131.68-3,718.68

Finding the Fourth Proportional to 7,417.44, 11,131.68 and 3,718.68

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Solution

The fourth proportional to 7,417.44, 11,131.68 and 3,718.68 is: 5,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.44 : 11,131.68 = 3,718.68 : x
  2. Step 2: Convert to fraction form
    7,417.44/11,131.68 = 3,718.68/x
  3. Step 3: Cross multiply
    7,417.44x = 11,131.68 × 3,718.68
  4. Step 4: Simplify right side
    7,417.44x = 41,395,155.78
  5. Step 5: Solve for x
    x = 41,395,155.78/7,417.44
  6. Step 6: Final answer
    x = 5,580.79

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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.