Home / 11,717.33-16,169.91-6,412.16

Finding the Fourth Proportional to 11,717.33, 16,169.91 and 6,412.16

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Solution

The fourth proportional to 11,717.33, 16,169.91 and 6,412.16 is: 8,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.33 : 16,169.91 = 6,412.16 : x
  2. Step 2: Convert to fraction form
    11,717.33/16,169.91 = 6,412.16/x
  3. Step 3: Cross multiply
    11,717.33x = 16,169.91 × 6,412.16
  4. Step 4: Simplify right side
    11,717.33x = 103,684,050.11
  5. Step 5: Solve for x
    x = 103,684,050.11/11,717.33
  6. Step 6: Final answer
    x = 8,848.78

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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.