Home / 7,451.87-11,179.35-3,069.63

Finding the Fourth Proportional to 7,451.87, 11,179.35 and 3,069.63

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Solution

The fourth proportional to 7,451.87, 11,179.35 and 3,069.63 is: 4,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.87 : 11,179.35 = 3,069.63 : x
  2. Step 2: Convert to fraction form
    7,451.87/11,179.35 = 3,069.63/x
  3. Step 3: Cross multiply
    7,451.87x = 11,179.35 × 3,069.63
  4. Step 4: Simplify right side
    7,451.87x = 34,316,468.14
  5. Step 5: Solve for x
    x = 34,316,468.14/7,451.87
  6. Step 6: Final answer
    x = 4,605.08

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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.