Home / 7,113.22-9,816.19-3,926.52

Finding the Fourth Proportional to 7,113.22, 9,816.19 and 3,926.52

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Solution

The fourth proportional to 7,113.22, 9,816.19 and 3,926.52 is: 5,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.22 : 9,816.19 = 3,926.52 : x
  2. Step 2: Convert to fraction form
    7,113.22/9,816.19 = 3,926.52/x
  3. Step 3: Cross multiply
    7,113.22x = 9,816.19 × 3,926.52
  4. Step 4: Simplify right side
    7,113.22x = 38,543,439.98
  5. Step 5: Solve for x
    x = 38,543,439.98/7,113.22
  6. Step 6: Final answer
    x = 5,418.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.