Home / 9,416.26-14,055.61-8,731

Finding the Fourth Proportional to 9,416.26, 14,055.61 and 8,731

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Solution

The fourth proportional to 9,416.26, 14,055.61 and 8,731 is: 13,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.26 : 14,055.61 = 8,731 : x
  2. Step 2: Convert to fraction form
    9,416.26/14,055.61 = 8,731/x
  3. Step 3: Cross multiply
    9,416.26x = 14,055.61 × 8,731
  4. Step 4: Simplify right side
    9,416.26x = 122,719,530.91
  5. Step 5: Solve for x
    x = 122,719,530.91/9,416.26
  6. Step 6: Final answer
    x = 13,032.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.