Home / 12,247.18-18,370.98-3,482.33

Finding the Fourth Proportional to 12,247.18, 18,370.98 and 3,482.33

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Solution

The fourth proportional to 12,247.18, 18,370.98 and 3,482.33 is: 5,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.18 : 18,370.98 = 3,482.33 : x
  2. Step 2: Convert to fraction form
    12,247.18/18,370.98 = 3,482.33/x
  3. Step 3: Cross multiply
    12,247.18x = 18,370.98 × 3,482.33
  4. Step 4: Simplify right side
    12,247.18x = 63,973,722.93
  5. Step 5: Solve for x
    x = 63,973,722.93/12,247.18
  6. Step 6: Final answer
    x = 5,223.55

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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.