Home / 7,228.28-10,840.98-3,332.12

Finding the Fourth Proportional to 7,228.28, 10,840.98 and 3,332.12

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Solution

The fourth proportional to 7,228.28, 10,840.98 and 3,332.12 is: 4,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.28 : 10,840.98 = 3,332.12 : x
  2. Step 2: Convert to fraction form
    7,228.28/10,840.98 = 3,332.12/x
  3. Step 3: Cross multiply
    7,228.28x = 10,840.98 × 3,332.12
  4. Step 4: Simplify right side
    7,228.28x = 36,123,446.28
  5. Step 5: Solve for x
    x = 36,123,446.28/7,228.28
  6. Step 6: Final answer
    x = 4,997.52

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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.