Home / 10,853.36-16,280.58-3,458.36

Finding the Fourth Proportional to 10,853.36, 16,280.58 and 3,458.36

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Solution

The fourth proportional to 10,853.36, 16,280.58 and 3,458.36 is: 5,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.36 : 16,280.58 = 3,458.36 : x
  2. Step 2: Convert to fraction form
    10,853.36/16,280.58 = 3,458.36/x
  3. Step 3: Cross multiply
    10,853.36x = 16,280.58 × 3,458.36
  4. Step 4: Simplify right side
    10,853.36x = 56,304,106.65
  5. Step 5: Solve for x
    x = 56,304,106.65/10,853.36
  6. Step 6: Final answer
    x = 5,187.71

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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.