Home / 10,664.52-15,985.60-5,977.66

Finding the Fourth Proportional to 10,664.52, 15,985.60 and 5,977.66

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Solution

The fourth proportional to 10,664.52, 15,985.60 and 5,977.66 is: 8,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.52 : 15,985.60 = 5,977.66 : x
  2. Step 2: Convert to fraction form
    10,664.52/15,985.60 = 5,977.66/x
  3. Step 3: Cross multiply
    10,664.52x = 15,985.60 × 5,977.66
  4. Step 4: Simplify right side
    10,664.52x = 95,556,481.70
  5. Step 5: Solve for x
    x = 95,556,481.70/10,664.52
  6. Step 6: Final answer
    x = 8,960.22

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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.