Home / 13,367.01-18,446.52-7,234.71

Finding the Fourth Proportional to 13,367.01, 18,446.52 and 7,234.71

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Solution

The fourth proportional to 13,367.01, 18,446.52 and 7,234.71 is: 9,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.01 : 18,446.52 = 7,234.71 : x
  2. Step 2: Convert to fraction form
    13,367.01/18,446.52 = 7,234.71/x
  3. Step 3: Cross multiply
    13,367.01x = 18,446.52 × 7,234.71
  4. Step 4: Simplify right side
    13,367.01x = 133,455,222.71
  5. Step 5: Solve for x
    x = 133,455,222.71/13,367.01
  6. Step 6: Final answer
    x = 9,983.92

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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.