Home / 9,172.36-13,754.34-2,930.98

Finding the Fourth Proportional to 9,172.36, 13,754.34 and 2,930.98

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Solution

The fourth proportional to 9,172.36, 13,754.34 and 2,930.98 is: 4,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.36 : 13,754.34 = 2,930.98 : x
  2. Step 2: Convert to fraction form
    9,172.36/13,754.34 = 2,930.98/x
  3. Step 3: Cross multiply
    9,172.36x = 13,754.34 × 2,930.98
  4. Step 4: Simplify right side
    9,172.36x = 40,313,695.45
  5. Step 5: Solve for x
    x = 40,313,695.45/9,172.36
  6. Step 6: Final answer
    x = 4,395.13

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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.