Home / 10,981.06-15,153.68-5,945.24

Finding the Fourth Proportional to 10,981.06, 15,153.68 and 5,945.24

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Solution

The fourth proportional to 10,981.06, 15,153.68 and 5,945.24 is: 8,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.06 : 15,153.68 = 5,945.24 : x
  2. Step 2: Convert to fraction form
    10,981.06/15,153.68 = 5,945.24/x
  3. Step 3: Cross multiply
    10,981.06x = 15,153.68 × 5,945.24
  4. Step 4: Simplify right side
    10,981.06x = 90,092,158.99
  5. Step 5: Solve for x
    x = 90,092,158.99/10,981.06
  6. Step 6: Final answer
    x = 8,204.33

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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.