Home / 7,338.40-11,001.84-5,022.88

Finding the Fourth Proportional to 7,338.40, 11,001.84 and 5,022.88

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Solution

The fourth proportional to 7,338.40, 11,001.84 and 5,022.88 is: 7,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.40 : 11,001.84 = 5,022.88 : x
  2. Step 2: Convert to fraction form
    7,338.40/11,001.84 = 5,022.88/x
  3. Step 3: Cross multiply
    7,338.40x = 11,001.84 × 5,022.88
  4. Step 4: Simplify right side
    7,338.40x = 55,260,922.10
  5. Step 5: Solve for x
    x = 55,260,922.10/7,338.40
  6. Step 6: Final answer
    x = 7,530.38

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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.