Home / 12,301.75-16,976.32-6,996.56

Finding the Fourth Proportional to 12,301.75, 16,976.32 and 6,996.56

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Solution

The fourth proportional to 12,301.75, 16,976.32 and 6,996.56 is: 9,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.75 : 16,976.32 = 6,996.56 : x
  2. Step 2: Convert to fraction form
    12,301.75/16,976.32 = 6,996.56/x
  3. Step 3: Cross multiply
    12,301.75x = 16,976.32 × 6,996.56
  4. Step 4: Simplify right side
    12,301.75x = 118,775,841.46
  5. Step 5: Solve for x
    x = 118,775,841.46/12,301.75
  6. Step 6: Final answer
    x = 9,655.20

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1.5x scale

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.