Home / 8,012.96-12,001.86-6,610.52

Finding the Fourth Proportional to 8,012.96, 12,001.86 and 6,610.52

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Solution

The fourth proportional to 8,012.96, 12,001.86 and 6,610.52 is: 9,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.96 : 12,001.86 = 6,610.52 : x
  2. Step 2: Convert to fraction form
    8,012.96/12,001.86 = 6,610.52/x
  3. Step 3: Cross multiply
    8,012.96x = 12,001.86 × 6,610.52
  4. Step 4: Simplify right side
    8,012.96x = 79,338,535.57
  5. Step 5: Solve for x
    x = 79,338,535.57/8,012.96
  6. Step 6: Final answer
    x = 9,901.28

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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.