Home / 7,151.22-10,716.96-5,160.98

Finding the Fourth Proportional to 7,151.22, 10,716.96 and 5,160.98

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Solution

The fourth proportional to 7,151.22, 10,716.96 and 5,160.98 is: 7,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.22 : 10,716.96 = 5,160.98 : x
  2. Step 2: Convert to fraction form
    7,151.22/10,716.96 = 5,160.98/x
  3. Step 3: Cross multiply
    7,151.22x = 10,716.96 × 5,160.98
  4. Step 4: Simplify right side
    7,151.22x = 55,309,962.64
  5. Step 5: Solve for x
    x = 55,309,962.64/7,151.22
  6. Step 6: Final answer
    x = 7,734.34

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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.