Home / 11,707.18-16,156.35-6,672.17

Finding the Fourth Proportional to 11,707.18, 16,156.35 and 6,672.17

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Solution

The fourth proportional to 11,707.18, 16,156.35 and 6,672.17 is: 9,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.18 : 16,156.35 = 6,672.17 : x
  2. Step 2: Convert to fraction form
    11,707.18/16,156.35 = 6,672.17/x
  3. Step 3: Cross multiply
    11,707.18x = 16,156.35 × 6,672.17
  4. Step 4: Simplify right side
    11,707.18x = 107,797,954.17
  5. Step 5: Solve for x
    x = 107,797,954.17/11,707.18
  6. Step 6: Final answer
    x = 9,207.85

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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.