Home / 9,947.29-13,727.57-5,471.36

Finding the Fourth Proportional to 9,947.29, 13,727.57 and 5,471.36

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Solution

The fourth proportional to 9,947.29, 13,727.57 and 5,471.36 is: 7,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.29 : 13,727.57 = 5,471.36 : x
  2. Step 2: Convert to fraction form
    9,947.29/13,727.57 = 5,471.36/x
  3. Step 3: Cross multiply
    9,947.29x = 13,727.57 × 5,471.36
  4. Step 4: Simplify right side
    9,947.29x = 75,108,450.04
  5. Step 5: Solve for x
    x = 75,108,450.04/9,947.29
  6. Step 6: Final answer
    x = 7,550.65

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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.