Home / 10,816.18-16,221.80-4,967.16

Finding the Fourth Proportional to 10,816.18, 16,221.80 and 4,967.16

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Solution

The fourth proportional to 10,816.18, 16,221.80 and 4,967.16 is: 7,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.18 : 16,221.80 = 4,967.16 : x
  2. Step 2: Convert to fraction form
    10,816.18/16,221.80 = 4,967.16/x
  3. Step 3: Cross multiply
    10,816.18x = 16,221.80 × 4,967.16
  4. Step 4: Simplify right side
    10,816.18x = 80,576,276.09
  5. Step 5: Solve for x
    x = 80,576,276.09/10,816.18
  6. Step 6: Final answer
    x = 7,449.61

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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.