Home / 7,332.16-10,118.22-3,974.84

Finding the Fourth Proportional to 7,332.16, 10,118.22 and 3,974.84

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Solution

The fourth proportional to 7,332.16, 10,118.22 and 3,974.84 is: 5,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.16 : 10,118.22 = 3,974.84 : x
  2. Step 2: Convert to fraction form
    7,332.16/10,118.22 = 3,974.84/x
  3. Step 3: Cross multiply
    7,332.16x = 10,118.22 × 3,974.84
  4. Step 4: Simplify right side
    7,332.16x = 40,218,305.58
  5. Step 5: Solve for x
    x = 40,218,305.58/7,332.16
  6. Step 6: Final answer
    x = 5,485.19

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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.