Home / 9,129.19-13,688.51-3,576.04

Finding the Fourth Proportional to 9,129.19, 13,688.51 and 3,576.04

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Solution

The fourth proportional to 9,129.19, 13,688.51 and 3,576.04 is: 5,361.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.19 : 13,688.51 = 3,576.04 : x
  2. Step 2: Convert to fraction form
    9,129.19/13,688.51 = 3,576.04/x
  3. Step 3: Cross multiply
    9,129.19x = 13,688.51 × 3,576.04
  4. Step 4: Simplify right side
    9,129.19x = 48,950,659.30
  5. Step 5: Solve for x
    x = 48,950,659.30/9,129.19
  6. Step 6: Final answer
    x = 5,361.99

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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.