Home / 8,374.12-11,555.41-4,838.47

Finding the Fourth Proportional to 8,374.12, 11,555.41 and 4,838.47

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Solution

The fourth proportional to 8,374.12, 11,555.41 and 4,838.47 is: 6,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.12 : 11,555.41 = 4,838.47 : x
  2. Step 2: Convert to fraction form
    8,374.12/11,555.41 = 4,838.47/x
  3. Step 3: Cross multiply
    8,374.12x = 11,555.41 × 4,838.47
  4. Step 4: Simplify right side
    8,374.12x = 55,910,504.62
  5. Step 5: Solve for x
    x = 55,910,504.62/8,374.12
  6. Step 6: Final answer
    x = 6,676.58

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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.