Home / 12,217.33-18,327.80-4,424.32

Finding the Fourth Proportional to 12,217.33, 18,327.80 and 4,424.32

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Solution

The fourth proportional to 12,217.33, 18,327.80 and 4,424.32 is: 6,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.33 : 18,327.80 = 4,424.32 : x
  2. Step 2: Convert to fraction form
    12,217.33/18,327.80 = 4,424.32/x
  3. Step 3: Cross multiply
    12,217.33x = 18,327.80 × 4,424.32
  4. Step 4: Simplify right side
    12,217.33x = 81,088,052.10
  5. Step 5: Solve for x
    x = 81,088,052.10/12,217.33
  6. Step 6: Final answer
    x = 6,637.13

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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.