Home / 11,717.29-16,170.11-6,412.10

Finding the Fourth Proportional to 11,717.29, 16,170.11 and 6,412.10

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Solution

The fourth proportional to 11,717.29, 16,170.11 and 6,412.10 is: 8,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.29 : 16,170.11 = 6,412.10 : x
  2. Step 2: Convert to fraction form
    11,717.29/16,170.11 = 6,412.10/x
  3. Step 3: Cross multiply
    11,717.29x = 16,170.11 × 6,412.10
  4. Step 4: Simplify right side
    11,717.29x = 103,684,362.33
  5. Step 5: Solve for x
    x = 103,684,362.33/11,717.29
  6. Step 6: Final answer
    x = 8,848.83

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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.