Home / 12,255.08-18,353.00-6,974.09

Finding the Fourth Proportional to 12,255.08, 18,353.00 and 6,974.09

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Solution

The fourth proportional to 12,255.08, 18,353.00 and 6,974.09 is: 10,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.08 : 18,353.00 = 6,974.09 : x
  2. Step 2: Convert to fraction form
    12,255.08/18,353.00 = 6,974.09/x
  3. Step 3: Cross multiply
    12,255.08x = 18,353.00 × 6,974.09
  4. Step 4: Simplify right side
    12,255.08x = 127,995,347.13
  5. Step 5: Solve for x
    x = 127,995,347.13/12,255.08
  6. Step 6: Final answer
    x = 10,444.27

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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.