Home / 9,075.20-13,599.82-5,171.56

Finding the Fourth Proportional to 9,075.20, 13,599.82 and 5,171.56

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Solution

The fourth proportional to 9,075.20, 13,599.82 and 5,171.56 is: 7,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.20 : 13,599.82 = 5,171.56 : x
  2. Step 2: Convert to fraction form
    9,075.20/13,599.82 = 5,171.56/x
  3. Step 3: Cross multiply
    9,075.20x = 13,599.82 × 5,171.56
  4. Step 4: Simplify right side
    9,075.20x = 70,332,285.12
  5. Step 5: Solve for x
    x = 70,332,285.12/9,075.20
  6. Step 6: Final answer
    x = 7,749.94

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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.