Home / 7,116.24-10,672.20-3,653.04

Finding the Fourth Proportional to 7,116.24, 10,672.20 and 3,653.04

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Solution

The fourth proportional to 7,116.24, 10,672.20 and 3,653.04 is: 5,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.24 : 10,672.20 = 3,653.04 : x
  2. Step 2: Convert to fraction form
    7,116.24/10,672.20 = 3,653.04/x
  3. Step 3: Cross multiply
    7,116.24x = 10,672.20 × 3,653.04
  4. Step 4: Simplify right side
    7,116.24x = 38,985,973.49
  5. Step 5: Solve for x
    x = 38,985,973.49/7,116.24
  6. Step 6: Final answer
    x = 5,478.45

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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.