Home / 10,863.80-16,305.48-5,673.32

Finding the Fourth Proportional to 10,863.80, 16,305.48 and 5,673.32

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Solution

The fourth proportional to 10,863.80, 16,305.48 and 5,673.32 is: 8,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.80 : 16,305.48 = 5,673.32 : x
  2. Step 2: Convert to fraction form
    10,863.80/16,305.48 = 5,673.32/x
  3. Step 3: Cross multiply
    10,863.80x = 16,305.48 × 5,673.32
  4. Step 4: Simplify right side
    10,863.80x = 92,506,205.79
  5. Step 5: Solve for x
    x = 92,506,205.79/10,863.80
  6. Step 6: Final answer
    x = 8,515.09

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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.