Home / 12,228.17-18,340.29-3,463.70

Finding the Fourth Proportional to 12,228.17, 18,340.29 and 3,463.70

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Solution

The fourth proportional to 12,228.17, 18,340.29 and 3,463.70 is: 5,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.17 : 18,340.29 = 3,463.70 : x
  2. Step 2: Convert to fraction form
    12,228.17/18,340.29 = 3,463.70/x
  3. Step 3: Cross multiply
    12,228.17x = 18,340.29 × 3,463.70
  4. Step 4: Simplify right side
    12,228.17x = 63,525,170.77
  5. Step 5: Solve for x
    x = 63,525,170.77/12,228.17
  6. Step 6: Final answer
    x = 5,194.99

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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.