Home / 7,708.22-11,559.28-2,776.14

Finding the Fourth Proportional to 7,708.22, 11,559.28 and 2,776.14

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Solution

The fourth proportional to 7,708.22, 11,559.28 and 2,776.14 is: 4,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.22 : 11,559.28 = 2,776.14 : x
  2. Step 2: Convert to fraction form
    7,708.22/11,559.28 = 2,776.14/x
  3. Step 3: Cross multiply
    7,708.22x = 11,559.28 × 2,776.14
  4. Step 4: Simplify right side
    7,708.22x = 32,090,179.58
  5. Step 5: Solve for x
    x = 32,090,179.58/7,708.22
  6. Step 6: Final answer
    x = 4,163.11

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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.