Home / 10,779.59-16,169.39-3,384.69

Finding the Fourth Proportional to 10,779.59, 16,169.39 and 3,384.69

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Solution

The fourth proportional to 10,779.59, 16,169.39 and 3,384.69 is: 5,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.59 : 16,169.39 = 3,384.69 : x
  2. Step 2: Convert to fraction form
    10,779.59/16,169.39 = 3,384.69/x
  3. Step 3: Cross multiply
    10,779.59x = 16,169.39 × 3,384.69
  4. Step 4: Simplify right side
    10,779.59x = 54,728,355.72
  5. Step 5: Solve for x
    x = 54,728,355.72/10,779.59
  6. Step 6: Final answer
    x = 5,077.04

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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.