Home / 10,680.84-16,003.44-9,456.12

Finding the Fourth Proportional to 10,680.84, 16,003.44 and 9,456.12

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Solution

The fourth proportional to 10,680.84, 16,003.44 and 9,456.12 is: 14,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.84 : 16,003.44 = 9,456.12 : x
  2. Step 2: Convert to fraction form
    10,680.84/16,003.44 = 9,456.12/x
  3. Step 3: Cross multiply
    10,680.84x = 16,003.44 × 9,456.12
  4. Step 4: Simplify right side
    10,680.84x = 151,330,449.05
  5. Step 5: Solve for x
    x = 151,330,449.05/10,680.84
  6. Step 6: Final answer
    x = 14,168.40

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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.