Home / 12,792.48-19,191.15-4,474.86

Finding the Fourth Proportional to 12,792.48, 19,191.15 and 4,474.86

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Solution

The fourth proportional to 12,792.48, 19,191.15 and 4,474.86 is: 6,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.48 : 19,191.15 = 4,474.86 : x
  2. Step 2: Convert to fraction form
    12,792.48/19,191.15 = 4,474.86/x
  3. Step 3: Cross multiply
    12,792.48x = 19,191.15 × 4,474.86
  4. Step 4: Simplify right side
    12,792.48x = 85,877,709.49
  5. Step 5: Solve for x
    x = 85,877,709.49/12,792.48
  6. Step 6: Final answer
    x = 6,713.14

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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.