Home / 12,317.24-18,475.38-4,109.24

Finding the Fourth Proportional to 12,317.24, 18,475.38 and 4,109.24

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Solution

The fourth proportional to 12,317.24, 18,475.38 and 4,109.24 is: 6,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.24 : 18,475.38 = 4,109.24 : x
  2. Step 2: Convert to fraction form
    12,317.24/18,475.38 = 4,109.24/x
  3. Step 3: Cross multiply
    12,317.24x = 18,475.38 × 4,109.24
  4. Step 4: Simplify right side
    12,317.24x = 75,919,770.51
  5. Step 5: Solve for x
    x = 75,919,770.51/12,317.24
  6. Step 6: Final answer
    x = 6,163.70

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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.