Home / 11,647.80-16,073.60-6,342.58

Finding the Fourth Proportional to 11,647.80, 16,073.60 and 6,342.58

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Solution

The fourth proportional to 11,647.80, 16,073.60 and 6,342.58 is: 8,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.80 : 16,073.60 = 6,342.58 : x
  2. Step 2: Convert to fraction form
    11,647.80/16,073.60 = 6,342.58/x
  3. Step 3: Cross multiply
    11,647.80x = 16,073.60 × 6,342.58
  4. Step 4: Simplify right side
    11,647.80x = 101,948,093.89
  5. Step 5: Solve for x
    x = 101,948,093.89/11,647.80
  6. Step 6: Final answer
    x = 8,752.56

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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.