Home / 10,836.76-16,242.18-6,670.12

Finding the Fourth Proportional to 10,836.76, 16,242.18 and 6,670.12

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Solution

The fourth proportional to 10,836.76, 16,242.18 and 6,670.12 is: 9,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.76 : 16,242.18 = 6,670.12 : x
  2. Step 2: Convert to fraction form
    10,836.76/16,242.18 = 6,670.12/x
  3. Step 3: Cross multiply
    10,836.76x = 16,242.18 × 6,670.12
  4. Step 4: Simplify right side
    10,836.76x = 108,337,289.66
  5. Step 5: Solve for x
    x = 108,337,289.66/10,836.76
  6. Step 6: Final answer
    x = 9,997.20

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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.