Home / 9,243.29-13,864.73-3,981.80

Finding the Fourth Proportional to 9,243.29, 13,864.73 and 3,981.80

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Solution

The fourth proportional to 9,243.29, 13,864.73 and 3,981.80 is: 5,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.29 : 13,864.73 = 3,981.80 : x
  2. Step 2: Convert to fraction form
    9,243.29/13,864.73 = 3,981.80/x
  3. Step 3: Cross multiply
    9,243.29x = 13,864.73 × 3,981.80
  4. Step 4: Simplify right side
    9,243.29x = 55,206,492.68
  5. Step 5: Solve for x
    x = 55,206,492.68/9,243.29
  6. Step 6: Final answer
    x = 5,972.61

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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.