Home / 13,273.88-18,318.45-7,306.01

Finding the Fourth Proportional to 13,273.88, 18,318.45 and 7,306.01

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Solution

The fourth proportional to 13,273.88, 18,318.45 and 7,306.01 is: 10,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.88 : 18,318.45 = 7,306.01 : x
  2. Step 2: Convert to fraction form
    13,273.88/18,318.45 = 7,306.01/x
  3. Step 3: Cross multiply
    13,273.88x = 18,318.45 × 7,306.01
  4. Step 4: Simplify right side
    13,273.88x = 133,834,778.88
  5. Step 5: Solve for x
    x = 133,834,778.88/13,273.88
  6. Step 6: Final answer
    x = 10,082.57

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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.