Home / 9,076.98-13,605.79-5,172.98

Finding the Fourth Proportional to 9,076.98, 13,605.79 and 5,172.98

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Solution

The fourth proportional to 9,076.98, 13,605.79 and 5,172.98 is: 7,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.98 : 13,605.79 = 5,172.98 : x
  2. Step 2: Convert to fraction form
    9,076.98/13,605.79 = 5,172.98/x
  3. Step 3: Cross multiply
    9,076.98x = 13,605.79 × 5,172.98
  4. Step 4: Simplify right side
    9,076.98x = 70,382,479.55
  5. Step 5: Solve for x
    x = 70,382,479.55/9,076.98
  6. Step 6: Final answer
    x = 7,753.95

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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.