Home / 9,156.24-13,734-3,312.96

Finding the Fourth Proportional to 9,156.24, 13,734 and 3,312.96

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Solution

The fourth proportional to 9,156.24, 13,734 and 3,312.96 is: 4,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.24 : 13,734 = 3,312.96 : x
  2. Step 2: Convert to fraction form
    9,156.24/13,734 = 3,312.96/x
  3. Step 3: Cross multiply
    9,156.24x = 13,734 × 3,312.96
  4. Step 4: Simplify right side
    9,156.24x = 45,500,192.64
  5. Step 5: Solve for x
    x = 45,500,192.64/9,156.24
  6. Step 6: Final answer
    x = 4,969.31

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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.