Home / 7,458.66-11,184.30-2,776.68

Finding the Fourth Proportional to 7,458.66, 11,184.30 and 2,776.68

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Solution

The fourth proportional to 7,458.66, 11,184.30 and 2,776.68 is: 4,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.66 : 11,184.30 = 2,776.68 : x
  2. Step 2: Convert to fraction form
    7,458.66/11,184.30 = 2,776.68/x
  3. Step 3: Cross multiply
    7,458.66x = 11,184.30 × 2,776.68
  4. Step 4: Simplify right side
    7,458.66x = 31,055,222.12
  5. Step 5: Solve for x
    x = 31,055,222.12/7,458.66
  6. Step 6: Final answer
    x = 4,163.65

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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.