Home / 7,675.38-11,512.55-2,994.53

Finding the Fourth Proportional to 7,675.38, 11,512.55 and 2,994.53

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Solution

The fourth proportional to 7,675.38, 11,512.55 and 2,994.53 is: 4,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.38 : 11,512.55 = 2,994.53 : x
  2. Step 2: Convert to fraction form
    7,675.38/11,512.55 = 2,994.53/x
  3. Step 3: Cross multiply
    7,675.38x = 11,512.55 × 2,994.53
  4. Step 4: Simplify right side
    7,675.38x = 34,474,603.82
  5. Step 5: Solve for x
    x = 34,474,603.82/7,675.38
  6. Step 6: Final answer
    x = 4,491.58

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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.