Home / 11,166.21-15,385.01-7,433.73

Finding the Fourth Proportional to 11,166.21, 15,385.01 and 7,433.73

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Solution

The fourth proportional to 11,166.21, 15,385.01 and 7,433.73 is: 10,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.21 : 15,385.01 = 7,433.73 : x
  2. Step 2: Convert to fraction form
    11,166.21/15,385.01 = 7,433.73/x
  3. Step 3: Cross multiply
    11,166.21x = 15,385.01 × 7,433.73
  4. Step 4: Simplify right side
    11,166.21x = 114,367,973.22
  5. Step 5: Solve for x
    x = 114,367,973.22/11,166.21
  6. Step 6: Final answer
    x = 10,242.33

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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.