Home / 11,984.57-17,962.74-5,403.05

Finding the Fourth Proportional to 11,984.57, 17,962.74 and 5,403.05

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Solution

The fourth proportional to 11,984.57, 17,962.74 and 5,403.05 is: 8,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.57 : 17,962.74 = 5,403.05 : x
  2. Step 2: Convert to fraction form
    11,984.57/17,962.74 = 5,403.05/x
  3. Step 3: Cross multiply
    11,984.57x = 17,962.74 × 5,403.05
  4. Step 4: Simplify right side
    11,984.57x = 97,053,555.34
  5. Step 5: Solve for x
    x = 97,053,555.34/11,984.57
  6. Step 6: Final answer
    x = 8,098.21

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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.