Home / 12,060.79-16,720.95-11,633.11

Finding the Fourth Proportional to 12,060.79, 16,720.95 and 11,633.11

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Solution

The fourth proportional to 12,060.79, 16,720.95 and 11,633.11 is: 16,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.79 : 16,720.95 = 11,633.11 : x
  2. Step 2: Convert to fraction form
    12,060.79/16,720.95 = 11,633.11/x
  3. Step 3: Cross multiply
    12,060.79x = 16,720.95 × 11,633.11
  4. Step 4: Simplify right side
    12,060.79x = 194,516,650.65
  5. Step 5: Solve for x
    x = 194,516,650.65/12,060.79
  6. Step 6: Final answer
    x = 16,128.02

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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.