Home / 7,781.05-11,668.06-2,233.14

Finding the Fourth Proportional to 7,781.05, 11,668.06 and 2,233.14

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Solution

The fourth proportional to 7,781.05, 11,668.06 and 2,233.14 is: 3,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.05 : 11,668.06 = 2,233.14 : x
  2. Step 2: Convert to fraction form
    7,781.05/11,668.06 = 2,233.14/x
  3. Step 3: Cross multiply
    7,781.05x = 11,668.06 × 2,233.14
  4. Step 4: Simplify right side
    7,781.05x = 26,056,411.51
  5. Step 5: Solve for x
    x = 26,056,411.51/7,781.05
  6. Step 6: Final answer
    x = 3,348.70

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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.