Home / 11,781.24-16,256.28-7,536.11

Finding the Fourth Proportional to 11,781.24, 16,256.28 and 7,536.11

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Solution

The fourth proportional to 11,781.24, 16,256.28 and 7,536.11 is: 10,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.24 : 16,256.28 = 7,536.11 : x
  2. Step 2: Convert to fraction form
    11,781.24/16,256.28 = 7,536.11/x
  3. Step 3: Cross multiply
    11,781.24x = 16,256.28 × 7,536.11
  4. Step 4: Simplify right side
    11,781.24x = 122,509,032.99
  5. Step 5: Solve for x
    x = 122,509,032.99/11,781.24
  6. Step 6: Final answer
    x = 10,398.65

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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.