Home / 12,077.13-18,113.61-3,192.54

Finding the Fourth Proportional to 12,077.13, 18,113.61 and 3,192.54

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Solution

The fourth proportional to 12,077.13, 18,113.61 and 3,192.54 is: 4,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.13 : 18,113.61 = 3,192.54 : x
  2. Step 2: Convert to fraction form
    12,077.13/18,113.61 = 3,192.54/x
  3. Step 3: Cross multiply
    12,077.13x = 18,113.61 × 3,192.54
  4. Step 4: Simplify right side
    12,077.13x = 57,828,424.47
  5. Step 5: Solve for x
    x = 57,828,424.47/12,077.13
  6. Step 6: Final answer
    x = 4,788.26

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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.