Home / 8,586.84-11,850.89-5,230.14

Finding the Fourth Proportional to 8,586.84, 11,850.89 and 5,230.14

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Solution

The fourth proportional to 8,586.84, 11,850.89 and 5,230.14 is: 7,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.84 : 11,850.89 = 5,230.14 : x
  2. Step 2: Convert to fraction form
    8,586.84/11,850.89 = 5,230.14/x
  3. Step 3: Cross multiply
    8,586.84x = 11,850.89 × 5,230.14
  4. Step 4: Simplify right side
    8,586.84x = 61,981,787.67
  5. Step 5: Solve for x
    x = 61,981,787.67/8,586.84
  6. Step 6: Final answer
    x = 7,218.23

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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.