Home / 11,883.50-17,819.08-5,557.28

Finding the Fourth Proportional to 11,883.50, 17,819.08 and 5,557.28

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Solution

The fourth proportional to 11,883.50, 17,819.08 and 5,557.28 is: 8,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.50 : 17,819.08 = 5,557.28 : x
  2. Step 2: Convert to fraction form
    11,883.50/17,819.08 = 5,557.28/x
  3. Step 3: Cross multiply
    11,883.50x = 17,819.08 × 5,557.28
  4. Step 4: Simplify right side
    11,883.50x = 99,025,616.90
  5. Step 5: Solve for x
    x = 99,025,616.90/11,883.50
  6. Step 6: Final answer
    x = 8,333.03

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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.