Home / 9,527.91-13,148.49-5,278.97

Finding the Fourth Proportional to 9,527.91, 13,148.49 and 5,278.97

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Solution

The fourth proportional to 9,527.91, 13,148.49 and 5,278.97 is: 7,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.91 : 13,148.49 = 5,278.97 : x
  2. Step 2: Convert to fraction form
    9,527.91/13,148.49 = 5,278.97/x
  3. Step 3: Cross multiply
    9,527.91x = 13,148.49 × 5,278.97
  4. Step 4: Simplify right side
    9,527.91x = 69,410,418.51
  5. Step 5: Solve for x
    x = 69,410,418.51/9,527.91
  6. Step 6: Final answer
    x = 7,284.96

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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.