Home / 10,813.36-16,220.16-3,793.08

Finding the Fourth Proportional to 10,813.36, 16,220.16 and 3,793.08

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Solution

The fourth proportional to 10,813.36, 16,220.16 and 3,793.08 is: 5,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.36 : 16,220.16 = 3,793.08 : x
  2. Step 2: Convert to fraction form
    10,813.36/16,220.16 = 3,793.08/x
  3. Step 3: Cross multiply
    10,813.36x = 16,220.16 × 3,793.08
  4. Step 4: Simplify right side
    10,813.36x = 61,524,364.49
  5. Step 5: Solve for x
    x = 61,524,364.49/10,813.36
  6. Step 6: Final answer
    x = 5,689.66

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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.