Home / 12,386.22-18,581.27-4,064.35

Finding the Fourth Proportional to 12,386.22, 18,581.27 and 4,064.35

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Solution

The fourth proportional to 12,386.22, 18,581.27 and 4,064.35 is: 6,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.22 : 18,581.27 = 4,064.35 : x
  2. Step 2: Convert to fraction form
    12,386.22/18,581.27 = 4,064.35/x
  3. Step 3: Cross multiply
    12,386.22x = 18,581.27 × 4,064.35
  4. Step 4: Simplify right side
    12,386.22x = 75,520,708.90
  5. Step 5: Solve for x
    x = 75,520,708.90/12,386.22
  6. Step 6: Final answer
    x = 6,097.15

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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.