Home / 9,175.64-13,754.13-3,621.35

Finding the Fourth Proportional to 9,175.64, 13,754.13 and 3,621.35

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Solution

The fourth proportional to 9,175.64, 13,754.13 and 3,621.35 is: 5,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.64 : 13,754.13 = 3,621.35 : x
  2. Step 2: Convert to fraction form
    9,175.64/13,754.13 = 3,621.35/x
  3. Step 3: Cross multiply
    9,175.64x = 13,754.13 × 3,621.35
  4. Step 4: Simplify right side
    9,175.64x = 49,808,518.68
  5. Step 5: Solve for x
    x = 49,808,518.68/9,175.64
  6. Step 6: Final answer
    x = 5,428.34

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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.