Home / 8,261.19-11,400.41-4,724.39

Finding the Fourth Proportional to 8,261.19, 11,400.41 and 4,724.39

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Solution

The fourth proportional to 8,261.19, 11,400.41 and 4,724.39 is: 6,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.19 : 11,400.41 = 4,724.39 : x
  2. Step 2: Convert to fraction form
    8,261.19/11,400.41 = 4,724.39/x
  3. Step 3: Cross multiply
    8,261.19x = 11,400.41 × 4,724.39
  4. Step 4: Simplify right side
    8,261.19x = 53,860,023.31
  5. Step 5: Solve for x
    x = 53,860,023.31/8,261.19
  6. Step 6: Final answer
    x = 6,519.64

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Double scale
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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.