Home / 7,403.38-11,090.41-3,888.11

Finding the Fourth Proportional to 7,403.38, 11,090.41 and 3,888.11

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Solution

The fourth proportional to 7,403.38, 11,090.41 and 3,888.11 is: 5,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.38 : 11,090.41 = 3,888.11 : x
  2. Step 2: Convert to fraction form
    7,403.38/11,090.41 = 3,888.11/x
  3. Step 3: Cross multiply
    7,403.38x = 11,090.41 × 3,888.11
  4. Step 4: Simplify right side
    7,403.38x = 43,120,734.03
  5. Step 5: Solve for x
    x = 43,120,734.03/7,403.38
  6. Step 6: Final answer
    x = 5,824.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.