Home / 10,670.76-16,003.37-3,172.56

Finding the Fourth Proportional to 10,670.76, 16,003.37 and 3,172.56

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Solution

The fourth proportional to 10,670.76, 16,003.37 and 3,172.56 is: 4,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.76 : 16,003.37 = 3,172.56 : x
  2. Step 2: Convert to fraction form
    10,670.76/16,003.37 = 3,172.56/x
  3. Step 3: Cross multiply
    10,670.76x = 16,003.37 × 3,172.56
  4. Step 4: Simplify right side
    10,670.76x = 50,771,659.46
  5. Step 5: Solve for x
    x = 50,771,659.46/10,670.76
  6. Step 6: Final answer
    x = 4,758.02

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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.