Home / 7,455.10-11,178.40-3,067.33

Finding the Fourth Proportional to 7,455.10, 11,178.40 and 3,067.33

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Solution

The fourth proportional to 7,455.10, 11,178.40 and 3,067.33 is: 4,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.10 : 11,178.40 = 3,067.33 : x
  2. Step 2: Convert to fraction form
    7,455.10/11,178.40 = 3,067.33/x
  3. Step 3: Cross multiply
    7,455.10x = 11,178.40 × 3,067.33
  4. Step 4: Simplify right side
    7,455.10x = 34,287,841.67
  5. Step 5: Solve for x
    x = 34,287,841.67/7,455.10
  6. Step 6: Final answer
    x = 4,599.25

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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.