Home / 10,303.62-15,458.31-3,382.98

Finding the Fourth Proportional to 10,303.62, 15,458.31 and 3,382.98

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Solution

The fourth proportional to 10,303.62, 15,458.31 and 3,382.98 is: 5,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.62 : 15,458.31 = 3,382.98 : x
  2. Step 2: Convert to fraction form
    10,303.62/15,458.31 = 3,382.98/x
  3. Step 3: Cross multiply
    10,303.62x = 15,458.31 × 3,382.98
  4. Step 4: Simplify right side
    10,303.62x = 52,295,153.56
  5. Step 5: Solve for x
    x = 52,295,153.56/10,303.62
  6. Step 6: Final answer
    x = 5,075.42

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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.