Home / 12,077.51-18,114.17-3,192.93

Finding the Fourth Proportional to 12,077.51, 18,114.17 and 3,192.93

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Solution

The fourth proportional to 12,077.51, 18,114.17 and 3,192.93 is: 4,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.51 : 18,114.17 = 3,192.93 : x
  2. Step 2: Convert to fraction form
    12,077.51/18,114.17 = 3,192.93/x
  3. Step 3: Cross multiply
    12,077.51x = 18,114.17 × 3,192.93
  4. Step 4: Simplify right side
    12,077.51x = 57,837,260.85
  5. Step 5: Solve for x
    x = 57,837,260.85/12,077.51
  6. Step 6: Final answer
    x = 4,788.84

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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.