Home / 12,061.79-16,722.34-11,634.11

Finding the Fourth Proportional to 12,061.79, 16,722.34 and 11,634.11

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Solution

The fourth proportional to 12,061.79, 16,722.34 and 11,634.11 is: 16,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061.79 : 16,722.34 = 11,634.11 : x
  2. Step 2: Convert to fraction form
    12,061.79/16,722.34 = 11,634.11/x
  3. Step 3: Cross multiply
    12,061.79x = 16,722.34 × 11,634.11
  4. Step 4: Simplify right side
    12,061.79x = 194,549,543.02
  5. Step 5: Solve for x
    x = 194,549,543.02/12,061.79
  6. Step 6: Final answer
    x = 16,129.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.