Home / 12,062.30-18,095.20-3,742.99

Finding the Fourth Proportional to 12,062.30, 18,095.20 and 3,742.99

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Solution

The fourth proportional to 12,062.30, 18,095.20 and 3,742.99 is: 5,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.30 : 18,095.20 = 3,742.99 : x
  2. Step 2: Convert to fraction form
    12,062.30/18,095.20 = 3,742.99/x
  3. Step 3: Cross multiply
    12,062.30x = 18,095.20 × 3,742.99
  4. Step 4: Simplify right side
    12,062.30x = 67,730,152.65
  5. Step 5: Solve for x
    x = 67,730,152.65/12,062.30
  6. Step 6: Final answer
    x = 5,615.03

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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.