Home / 12,060.61-18,097.10-5,742.65

Finding the Fourth Proportional to 12,060.61, 18,097.10 and 5,742.65

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Solution

The fourth proportional to 12,060.61, 18,097.10 and 5,742.65 is: 8,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.61 : 18,097.10 = 5,742.65 : x
  2. Step 2: Convert to fraction form
    12,060.61/18,097.10 = 5,742.65/x
  3. Step 3: Cross multiply
    12,060.61x = 18,097.10 × 5,742.65
  4. Step 4: Simplify right side
    12,060.61x = 103,925,247.58
  5. Step 5: Solve for x
    x = 103,925,247.58/12,060.61
  6. Step 6: Final answer
    x = 8,616.91

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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.