Home / 10,985.11-15,159.46-5,949.37

Finding the Fourth Proportional to 10,985.11, 15,159.46 and 5,949.37

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Solution

The fourth proportional to 10,985.11, 15,159.46 and 5,949.37 is: 8,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.11 : 15,159.46 = 5,949.37 : x
  2. Step 2: Convert to fraction form
    10,985.11/15,159.46 = 5,949.37/x
  3. Step 3: Cross multiply
    10,985.11x = 15,159.46 × 5,949.37
  4. Step 4: Simplify right side
    10,985.11x = 90,189,202.66
  5. Step 5: Solve for x
    x = 90,189,202.66/10,985.11
  6. Step 6: Final answer
    x = 8,210.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.