Home / 9,639.46-14,455.41-3,398.14

Finding the Fourth Proportional to 9,639.46, 14,455.41 and 3,398.14

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Solution

The fourth proportional to 9,639.46, 14,455.41 and 3,398.14 is: 5,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.46 : 14,455.41 = 3,398.14 : x
  2. Step 2: Convert to fraction form
    9,639.46/14,455.41 = 3,398.14/x
  3. Step 3: Cross multiply
    9,639.46x = 14,455.41 × 3,398.14
  4. Step 4: Simplify right side
    9,639.46x = 49,121,506.94
  5. Step 5: Solve for x
    x = 49,121,506.94/9,639.46
  6. Step 6: Final answer
    x = 5,095.88

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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.