Home / 8,943.96-12,334.02-6,680.28

Finding the Fourth Proportional to 8,943.96, 12,334.02 and 6,680.28

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Solution

The fourth proportional to 8,943.96, 12,334.02 and 6,680.28 is: 9,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.96 : 12,334.02 = 6,680.28 : x
  2. Step 2: Convert to fraction form
    8,943.96/12,334.02 = 6,680.28/x
  3. Step 3: Cross multiply
    8,943.96x = 12,334.02 × 6,680.28
  4. Step 4: Simplify right side
    8,943.96x = 82,394,707.13
  5. Step 5: Solve for x
    x = 82,394,707.13/8,943.96
  6. Step 6: Final answer
    x = 9,212.33

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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.