Home / 8,481.36-11,700.72-5,124.24

Finding the Fourth Proportional to 8,481.36, 11,700.72 and 5,124.24

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Solution

The fourth proportional to 8,481.36, 11,700.72 and 5,124.24 is: 7,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.36 : 11,700.72 = 5,124.24 : x
  2. Step 2: Convert to fraction form
    8,481.36/11,700.72 = 5,124.24/x
  3. Step 3: Cross multiply
    8,481.36x = 11,700.72 × 5,124.24
  4. Step 4: Simplify right side
    8,481.36x = 59,957,297.45
  5. Step 5: Solve for x
    x = 59,957,297.45/8,481.36
  6. Step 6: Final answer
    x = 7,069.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.