Home / 11,856.18-17,770.14-5,522.56

Finding the Fourth Proportional to 11,856.18, 17,770.14 and 5,522.56

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Solution

The fourth proportional to 11,856.18, 17,770.14 and 5,522.56 is: 8,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.18 : 17,770.14 = 5,522.56 : x
  2. Step 2: Convert to fraction form
    11,856.18/17,770.14 = 5,522.56/x
  3. Step 3: Cross multiply
    11,856.18x = 17,770.14 × 5,522.56
  4. Step 4: Simplify right side
    11,856.18x = 98,136,664.36
  5. Step 5: Solve for x
    x = 98,136,664.36/11,856.18
  6. Step 6: Final answer
    x = 8,277.26

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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.