Home / 12,195.52-18,294.40-5,623.52

Finding the Fourth Proportional to 12,195.52, 18,294.40 and 5,623.52

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Solution

The fourth proportional to 12,195.52, 18,294.40 and 5,623.52 is: 8,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.52 : 18,294.40 = 5,623.52 : x
  2. Step 2: Convert to fraction form
    12,195.52/18,294.40 = 5,623.52/x
  3. Step 3: Cross multiply
    12,195.52x = 18,294.40 × 5,623.52
  4. Step 4: Simplify right side
    12,195.52x = 102,878,924.29
  5. Step 5: Solve for x
    x = 102,878,924.29/12,195.52
  6. Step 6: Final answer
    x = 8,435.80

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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.