Home / 9,125.19-13,688.30-2,551.36

Finding the Fourth Proportional to 9,125.19, 13,688.30 and 2,551.36

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Solution

The fourth proportional to 9,125.19, 13,688.30 and 2,551.36 is: 3,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.19 : 13,688.30 = 2,551.36 : x
  2. Step 2: Convert to fraction form
    9,125.19/13,688.30 = 2,551.36/x
  3. Step 3: Cross multiply
    9,125.19x = 13,688.30 × 2,551.36
  4. Step 4: Simplify right side
    9,125.19x = 34,923,781.09
  5. Step 5: Solve for x
    x = 34,923,781.09/9,125.19
  6. Step 6: Final answer
    x = 3,827.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.