Home / 7,729.88-10,667.23-4,372.62

Finding the Fourth Proportional to 7,729.88, 10,667.23 and 4,372.62

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Solution

The fourth proportional to 7,729.88, 10,667.23 and 4,372.62 is: 6,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.88 : 10,667.23 = 4,372.62 : x
  2. Step 2: Convert to fraction form
    7,729.88/10,667.23 = 4,372.62/x
  3. Step 3: Cross multiply
    7,729.88x = 10,667.23 × 4,372.62
  4. Step 4: Simplify right side
    7,729.88x = 46,643,692.31
  5. Step 5: Solve for x
    x = 46,643,692.31/7,729.88
  6. Step 6: Final answer
    x = 6,034.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.