Home / 10,150.60-14,009.42-6,172.96

Finding the Fourth Proportional to 10,150.60, 14,009.42 and 6,172.96

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Solution

The fourth proportional to 10,150.60, 14,009.42 and 6,172.96 is: 8,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.60 : 14,009.42 = 6,172.96 : x
  2. Step 2: Convert to fraction form
    10,150.60/14,009.42 = 6,172.96/x
  3. Step 3: Cross multiply
    10,150.60x = 14,009.42 × 6,172.96
  4. Step 4: Simplify right side
    10,150.60x = 86,479,589.28
  5. Step 5: Solve for x
    x = 86,479,589.28/10,150.60
  6. Step 6: Final answer
    x = 8,519.65

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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.