Home / 7,985.52-11,969.28-3,544.02

Finding the Fourth Proportional to 7,985.52, 11,969.28 and 3,544.02

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Solution

The fourth proportional to 7,985.52, 11,969.28 and 3,544.02 is: 5,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.52 : 11,969.28 = 3,544.02 : x
  2. Step 2: Convert to fraction form
    7,985.52/11,969.28 = 3,544.02/x
  3. Step 3: Cross multiply
    7,985.52x = 11,969.28 × 3,544.02
  4. Step 4: Simplify right side
    7,985.52x = 42,419,367.71
  5. Step 5: Solve for x
    x = 42,419,367.71/7,985.52
  6. Step 6: Final answer
    x = 5,312.04

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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.