Home / 11,685.52-17,512.92-4,756.24

Finding the Fourth Proportional to 11,685.52, 17,512.92 and 4,756.24

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Solution

The fourth proportional to 11,685.52, 17,512.92 and 4,756.24 is: 7,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.52 : 17,512.92 = 4,756.24 : x
  2. Step 2: Convert to fraction form
    11,685.52/17,512.92 = 4,756.24/x
  3. Step 3: Cross multiply
    11,685.52x = 17,512.92 × 4,756.24
  4. Step 4: Simplify right side
    11,685.52x = 83,295,650.62
  5. Step 5: Solve for x
    x = 83,295,650.62/11,685.52
  6. Step 6: Final answer
    x = 7,128.11

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1.5x scale

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.