Home / 10,790.19-16,155.18-5,513.85

Finding the Fourth Proportional to 10,790.19, 16,155.18 and 5,513.85

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Solution

The fourth proportional to 10,790.19, 16,155.18 and 5,513.85 is: 8,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.19 : 16,155.18 = 5,513.85 : x
  2. Step 2: Convert to fraction form
    10,790.19/16,155.18 = 5,513.85/x
  3. Step 3: Cross multiply
    10,790.19x = 16,155.18 × 5,513.85
  4. Step 4: Simplify right side
    10,790.19x = 89,077,239.24
  5. Step 5: Solve for x
    x = 89,077,239.24/10,790.19
  6. Step 6: Final answer
    x = 8,255.39

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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.