Home / 12,095.39-18,138.43-4,698.88

Finding the Fourth Proportional to 12,095.39, 18,138.43 and 4,698.88

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Solution

The fourth proportional to 12,095.39, 18,138.43 and 4,698.88 is: 7,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.39 : 18,138.43 = 4,698.88 : x
  2. Step 2: Convert to fraction form
    12,095.39/18,138.43 = 4,698.88/x
  3. Step 3: Cross multiply
    12,095.39x = 18,138.43 × 4,698.88
  4. Step 4: Simplify right side
    12,095.39x = 85,230,248.87
  5. Step 5: Solve for x
    x = 85,230,248.87/12,095.39
  6. Step 6: Final answer
    x = 7,046.51

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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.