Home / 12,195.08-16,829.30-6,606.12

Finding the Fourth Proportional to 12,195.08, 16,829.30 and 6,606.12

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Solution

The fourth proportional to 12,195.08, 16,829.30 and 6,606.12 is: 9,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.08 : 16,829.30 = 6,606.12 : x
  2. Step 2: Convert to fraction form
    12,195.08/16,829.30 = 6,606.12/x
  3. Step 3: Cross multiply
    12,195.08x = 16,829.30 × 6,606.12
  4. Step 4: Simplify right side
    12,195.08x = 111,176,375.32
  5. Step 5: Solve for x
    x = 111,176,375.32/12,195.08
  6. Step 6: Final answer
    x = 9,116.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.