Home / 7,454.24-11,178.80-3,069.68

Finding the Fourth Proportional to 7,454.24, 11,178.80 and 3,069.68

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Solution

The fourth proportional to 7,454.24, 11,178.80 and 3,069.68 is: 4,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.24 : 11,178.80 = 3,069.68 : x
  2. Step 2: Convert to fraction form
    7,454.24/11,178.80 = 3,069.68/x
  3. Step 3: Cross multiply
    7,454.24x = 11,178.80 × 3,069.68
  4. Step 4: Simplify right side
    7,454.24x = 34,315,338.78
  5. Step 5: Solve for x
    x = 34,315,338.78/7,454.24
  6. Step 6: Final answer
    x = 4,603.47

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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.