Home / 12,385.93-18,579.51-4,062.58

Finding the Fourth Proportional to 12,385.93, 18,579.51 and 4,062.58

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Solution

The fourth proportional to 12,385.93, 18,579.51 and 4,062.58 is: 6,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.93 : 18,579.51 = 4,062.58 : x
  2. Step 2: Convert to fraction form
    12,385.93/18,579.51 = 4,062.58/x
  3. Step 3: Cross multiply
    12,385.93x = 18,579.51 × 4,062.58
  4. Step 4: Simplify right side
    12,385.93x = 75,480,745.74
  5. Step 5: Solve for x
    x = 75,480,745.74/12,385.93
  6. Step 6: Final answer
    x = 6,094.07

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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.