Home / 8,716.03-12,028.38-5,360.81

Finding the Fourth Proportional to 8,716.03, 12,028.38 and 5,360.81

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Solution

The fourth proportional to 8,716.03, 12,028.38 and 5,360.81 is: 7,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.03 : 12,028.38 = 5,360.81 : x
  2. Step 2: Convert to fraction form
    8,716.03/12,028.38 = 5,360.81/x
  3. Step 3: Cross multiply
    8,716.03x = 12,028.38 × 5,360.81
  4. Step 4: Simplify right side
    8,716.03x = 64,481,859.79
  5. Step 5: Solve for x
    x = 64,481,859.79/8,716.03
  6. Step 6: Final answer
    x = 7,398.08

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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.