Home / 12,036.38-16,610.85-6,730.88

Finding the Fourth Proportional to 12,036.38, 16,610.85 and 6,730.88

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Solution

The fourth proportional to 12,036.38, 16,610.85 and 6,730.88 is: 9,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.38 : 16,610.85 = 6,730.88 : x
  2. Step 2: Convert to fraction form
    12,036.38/16,610.85 = 6,730.88/x
  3. Step 3: Cross multiply
    12,036.38x = 16,610.85 × 6,730.88
  4. Step 4: Simplify right side
    12,036.38x = 111,805,638.05
  5. Step 5: Solve for x
    x = 111,805,638.05/12,036.38
  6. Step 6: Final answer
    x = 9,288.98

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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.