Home / 12,233.09-18,341.42-5,655.68

Finding the Fourth Proportional to 12,233.09, 18,341.42 and 5,655.68

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Solution

The fourth proportional to 12,233.09, 18,341.42 and 5,655.68 is: 8,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.09 : 18,341.42 = 5,655.68 : x
  2. Step 2: Convert to fraction form
    12,233.09/18,341.42 = 5,655.68/x
  3. Step 3: Cross multiply
    12,233.09x = 18,341.42 × 5,655.68
  4. Step 4: Simplify right side
    12,233.09x = 103,733,082.28
  5. Step 5: Solve for x
    x = 103,733,082.28/12,233.09
  6. Step 6: Final answer
    x = 8,479.72

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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.