Home / 12,141.13-18,207.28-4,241.43

Finding the Fourth Proportional to 12,141.13, 18,207.28 and 4,241.43

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Solution

The fourth proportional to 12,141.13, 18,207.28 and 4,241.43 is: 6,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.13 : 18,207.28 = 4,241.43 : x
  2. Step 2: Convert to fraction form
    12,141.13/18,207.28 = 4,241.43/x
  3. Step 3: Cross multiply
    12,141.13x = 18,207.28 × 4,241.43
  4. Step 4: Simplify right side
    12,141.13x = 77,224,903.61
  5. Step 5: Solve for x
    x = 77,224,903.61/12,141.13
  6. Step 6: Final answer
    x = 6,360.60

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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.