Home / 9,447.91-13,040.06-5,471.21

Finding the Fourth Proportional to 9,447.91, 13,040.06 and 5,471.21

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Solution

The fourth proportional to 9,447.91, 13,040.06 and 5,471.21 is: 7,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.91 : 13,040.06 = 5,471.21 : x
  2. Step 2: Convert to fraction form
    9,447.91/13,040.06 = 5,471.21/x
  3. Step 3: Cross multiply
    9,447.91x = 13,040.06 × 5,471.21
  4. Step 4: Simplify right side
    9,447.91x = 71,344,911.92
  5. Step 5: Solve for x
    x = 71,344,911.92/9,447.91
  6. Step 6: Final answer
    x = 7,551.40

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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.