Home / 11,977.13-16,528.25-6,672.04

Finding the Fourth Proportional to 11,977.13, 16,528.25 and 6,672.04

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Solution

The fourth proportional to 11,977.13, 16,528.25 and 6,672.04 is: 9,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.13 : 16,528.25 = 6,672.04 : x
  2. Step 2: Convert to fraction form
    11,977.13/16,528.25 = 6,672.04/x
  3. Step 3: Cross multiply
    11,977.13x = 16,528.25 × 6,672.04
  4. Step 4: Simplify right side
    11,977.13x = 110,277,120.49
  5. Step 5: Solve for x
    x = 110,277,120.49/11,977.13
  6. Step 6: Final answer
    x = 9,207.31

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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.