Home / 11,982.90-17,885.63-11,244.18

Finding the Fourth Proportional to 11,982.90, 17,885.63 and 11,244.18

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Solution

The fourth proportional to 11,982.90, 17,885.63 and 11,244.18 is: 16,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.90 : 17,885.63 = 11,244.18 : x
  2. Step 2: Convert to fraction form
    11,982.90/17,885.63 = 11,244.18/x
  3. Step 3: Cross multiply
    11,982.90x = 17,885.63 × 11,244.18
  4. Step 4: Simplify right side
    11,982.90x = 201,109,243.13
  5. Step 5: Solve for x
    x = 201,109,243.13/11,982.90
  6. Step 6: Final answer
    x = 16,783.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.