Home / 9,475.53-13,075.94-5,226.78

Finding the Fourth Proportional to 9,475.53, 13,075.94 and 5,226.78

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Solution

The fourth proportional to 9,475.53, 13,075.94 and 5,226.78 is: 7,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.53 : 13,075.94 = 5,226.78 : x
  2. Step 2: Convert to fraction form
    9,475.53/13,075.94 = 5,226.78/x
  3. Step 3: Cross multiply
    9,475.53x = 13,075.94 × 5,226.78
  4. Step 4: Simplify right side
    9,475.53x = 68,345,035.54
  5. Step 5: Solve for x
    x = 68,345,035.54/9,475.53
  6. Step 6: Final answer
    x = 7,212.79

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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.