Home / 9,821.97-13,550.97-5,572.56

Finding the Fourth Proportional to 9,821.97, 13,550.97 and 5,572.56

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Solution

The fourth proportional to 9,821.97, 13,550.97 and 5,572.56 is: 7,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.97 : 13,550.97 = 5,572.56 : x
  2. Step 2: Convert to fraction form
    9,821.97/13,550.97 = 5,572.56/x
  3. Step 3: Cross multiply
    9,821.97x = 13,550.97 × 5,572.56
  4. Step 4: Simplify right side
    9,821.97x = 75,513,593.38
  5. Step 5: Solve for x
    x = 75,513,593.38/9,821.97
  6. Step 6: Final answer
    x = 7,688.23

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Double scale
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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.