Home / 12,188.24-18,278.58-4,396.04

Finding the Fourth Proportional to 12,188.24, 18,278.58 and 4,396.04

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Solution

The fourth proportional to 12,188.24, 18,278.58 and 4,396.04 is: 6,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.24 : 18,278.58 = 4,396.04 : x
  2. Step 2: Convert to fraction form
    12,188.24/18,278.58 = 4,396.04/x
  3. Step 3: Cross multiply
    12,188.24x = 18,278.58 × 4,396.04
  4. Step 4: Simplify right side
    12,188.24x = 80,353,368.82
  5. Step 5: Solve for x
    x = 80,353,368.82/12,188.24
  6. Step 6: Final answer
    x = 6,592.70

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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.