Home / 9,923.12-13,692.24-5,730.56

Finding the Fourth Proportional to 9,923.12, 13,692.24 and 5,730.56

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Solution

The fourth proportional to 9,923.12, 13,692.24 and 5,730.56 is: 7,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.12 : 13,692.24 = 5,730.56 : x
  2. Step 2: Convert to fraction form
    9,923.12/13,692.24 = 5,730.56/x
  3. Step 3: Cross multiply
    9,923.12x = 13,692.24 × 5,730.56
  4. Step 4: Simplify right side
    9,923.12x = 78,464,202.85
  5. Step 5: Solve for x
    x = 78,464,202.85/9,923.12
  6. Step 6: Final answer
    x = 7,907.21

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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.