Home / 10,816.17-16,218.60-4,887.96

Finding the Fourth Proportional to 10,816.17, 16,218.60 and 4,887.96

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Solution

The fourth proportional to 10,816.17, 16,218.60 and 4,887.96 is: 7,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.17 : 16,218.60 = 4,887.96 : x
  2. Step 2: Convert to fraction form
    10,816.17/16,218.60 = 4,887.96/x
  3. Step 3: Cross multiply
    10,816.17x = 16,218.60 × 4,887.96
  4. Step 4: Simplify right side
    10,816.17x = 79,275,868.06
  5. Step 5: Solve for x
    x = 79,275,868.06/10,816.17
  6. Step 6: Final answer
    x = 7,329.38

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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.