Home / 11,899.84-17,816.48-8,968.96

Finding the Fourth Proportional to 11,899.84, 17,816.48 and 8,968.96

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Solution

The fourth proportional to 11,899.84, 17,816.48 and 8,968.96 is: 13,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.84 : 17,816.48 = 8,968.96 : x
  2. Step 2: Convert to fraction form
    11,899.84/17,816.48 = 8,968.96/x
  3. Step 3: Cross multiply
    11,899.84x = 17,816.48 × 8,968.96
  4. Step 4: Simplify right side
    11,899.84x = 159,795,296.46
  5. Step 5: Solve for x
    x = 159,795,296.46/11,899.84
  6. Step 6: Final answer
    x = 13,428.36

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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.