Home / 12,095.20-18,145.38-4,304.01

Finding the Fourth Proportional to 12,095.20, 18,145.38 and 4,304.01

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Solution

The fourth proportional to 12,095.20, 18,145.38 and 4,304.01 is: 6,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.20 : 18,145.38 = 4,304.01 : x
  2. Step 2: Convert to fraction form
    12,095.20/18,145.38 = 4,304.01/x
  3. Step 3: Cross multiply
    12,095.20x = 18,145.38 × 4,304.01
  4. Step 4: Simplify right side
    12,095.20x = 78,097,896.97
  5. Step 5: Solve for x
    x = 78,097,896.97/12,095.20
  6. Step 6: Final answer
    x = 6,456.93

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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.