Home / 9,172.20-13,760.36-3,328.84

Finding the Fourth Proportional to 9,172.20, 13,760.36 and 3,328.84

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Solution

The fourth proportional to 9,172.20, 13,760.36 and 3,328.84 is: 4,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.20 : 13,760.36 = 3,328.84 : x
  2. Step 2: Convert to fraction form
    9,172.20/13,760.36 = 3,328.84/x
  3. Step 3: Cross multiply
    9,172.20x = 13,760.36 × 3,328.84
  4. Step 4: Simplify right side
    9,172.20x = 45,806,036.78
  5. Step 5: Solve for x
    x = 45,806,036.78/9,172.20
  6. Step 6: Final answer
    x = 4,994.01

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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.