Home / 7,330.17-10,115.46-3,972.84

Finding the Fourth Proportional to 7,330.17, 10,115.46 and 3,972.84

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Solution

The fourth proportional to 7,330.17, 10,115.46 and 3,972.84 is: 5,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.17 : 10,115.46 = 3,972.84 : x
  2. Step 2: Convert to fraction form
    7,330.17/10,115.46 = 3,972.84/x
  3. Step 3: Cross multiply
    7,330.17x = 10,115.46 × 3,972.84
  4. Step 4: Simplify right side
    7,330.17x = 40,187,104.11
  5. Step 5: Solve for x
    x = 40,187,104.11/7,330.17
  6. Step 6: Final answer
    x = 5,482.42

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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.