Home / 10,853.62-16,281.64-3,456.36

Finding the Fourth Proportional to 10,853.62, 16,281.64 and 3,456.36

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Solution

The fourth proportional to 10,853.62, 16,281.64 and 3,456.36 is: 5,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.62 : 16,281.64 = 3,456.36 : x
  2. Step 2: Convert to fraction form
    10,853.62/16,281.64 = 3,456.36/x
  3. Step 3: Cross multiply
    10,853.62x = 16,281.64 × 3,456.36
  4. Step 4: Simplify right side
    10,853.62x = 56,275,209.23
  5. Step 5: Solve for x
    x = 56,275,209.23/10,853.62
  6. Step 6: Final answer
    x = 5,184.93

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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.