Home / 10,736.40-16,072.20-9,440.40

Finding the Fourth Proportional to 10,736.40, 16,072.20 and 9,440.40

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Solution

The fourth proportional to 10,736.40, 16,072.20 and 9,440.40 is: 14,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,736.40 : 16,072.20 = 9,440.40 : x
  2. Step 2: Convert to fraction form
    10,736.40/16,072.20 = 9,440.40/x
  3. Step 3: Cross multiply
    10,736.40x = 16,072.20 × 9,440.40
  4. Step 4: Simplify right side
    10,736.40x = 151,727,996.88
  5. Step 5: Solve for x
    x = 151,727,996.88/10,736.40
  6. Step 6: Final answer
    x = 14,132.11

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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.