Home / 12,195.48-18,288.62-4,795.90

Finding the Fourth Proportional to 12,195.48, 18,288.62 and 4,795.90

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Solution

The fourth proportional to 12,195.48, 18,288.62 and 4,795.90 is: 7,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.48 : 18,288.62 = 4,795.90 : x
  2. Step 2: Convert to fraction form
    12,195.48/18,288.62 = 4,795.90/x
  3. Step 3: Cross multiply
    12,195.48x = 18,288.62 × 4,795.90
  4. Step 4: Simplify right side
    12,195.48x = 87,710,392.66
  5. Step 5: Solve for x
    x = 87,710,392.66/12,195.48
  6. Step 6: Final answer
    x = 7,192.04

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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.