Home / 12,317.96-18,479.67-3,552.19

Finding the Fourth Proportional to 12,317.96, 18,479.67 and 3,552.19

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Solution

The fourth proportional to 12,317.96, 18,479.67 and 3,552.19 is: 5,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.96 : 18,479.67 = 3,552.19 : x
  2. Step 2: Convert to fraction form
    12,317.96/18,479.67 = 3,552.19/x
  3. Step 3: Cross multiply
    12,317.96x = 18,479.67 × 3,552.19
  4. Step 4: Simplify right side
    12,317.96x = 65,643,249.45
  5. Step 5: Solve for x
    x = 65,643,249.45/12,317.96
  6. Step 6: Final answer
    x = 5,329.07

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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.