Home / 34,286.80-51,433.98-10,907.78

Finding the Fourth Proportional to 34,286.80, 51,433.98 and 10,907.78

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Solution

The fourth proportional to 34,286.80, 51,433.98 and 10,907.78 is: 16,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.80 : 51,433.98 = 10,907.78 : x
  2. Step 2: Convert to fraction form
    34,286.80/51,433.98 = 10,907.78/x
  3. Step 3: Cross multiply
    34,286.80x = 51,433.98 × 10,907.78
  4. Step 4: Simplify right side
    34,286.80x = 561,030,538.36
  5. Step 5: Solve for x
    x = 561,030,538.36/34,286.80
  6. Step 6: Final answer
    x = 16,362.87

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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.