Home / 9,947.10-13,727.32-5,471.16

Finding the Fourth Proportional to 9,947.10, 13,727.32 and 5,471.16

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Solution

The fourth proportional to 9,947.10, 13,727.32 and 5,471.16 is: 7,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.10 : 13,727.32 = 5,471.16 : x
  2. Step 2: Convert to fraction form
    9,947.10/13,727.32 = 5,471.16/x
  3. Step 3: Cross multiply
    9,947.10x = 13,727.32 × 5,471.16
  4. Step 4: Simplify right side
    9,947.10x = 75,104,364.09
  5. Step 5: Solve for x
    x = 75,104,364.09/9,947.10
  6. Step 6: Final answer
    x = 7,550.38

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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.