Home / 11,188.16-16,781.16-3,397.04

Finding the Fourth Proportional to 11,188.16, 16,781.16 and 3,397.04

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Solution

The fourth proportional to 11,188.16, 16,781.16 and 3,397.04 is: 5,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.16 : 16,781.16 = 3,397.04 : x
  2. Step 2: Convert to fraction form
    11,188.16/16,781.16 = 3,397.04/x
  3. Step 3: Cross multiply
    11,188.16x = 16,781.16 × 3,397.04
  4. Step 4: Simplify right side
    11,188.16x = 57,006,271.77
  5. Step 5: Solve for x
    x = 57,006,271.77/11,188.16
  6. Step 6: Final answer
    x = 5,095.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.