Home / 11,611.70-17,427.28-8,851.22

Finding the Fourth Proportional to 11,611.70, 17,427.28 and 8,851.22

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Solution

The fourth proportional to 11,611.70, 17,427.28 and 8,851.22 is: 13,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.70 : 17,427.28 = 8,851.22 : x
  2. Step 2: Convert to fraction form
    11,611.70/17,427.28 = 8,851.22/x
  3. Step 3: Cross multiply
    11,611.70x = 17,427.28 × 8,851.22
  4. Step 4: Simplify right side
    11,611.70x = 154,252,689.28
  5. Step 5: Solve for x
    x = 154,252,689.28/11,611.70
  6. Step 6: Final answer
    x = 13,284.25

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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.