Home / 11,035.91-16,557.95-5,115.69

Finding the Fourth Proportional to 11,035.91, 16,557.95 and 5,115.69

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Solution

The fourth proportional to 11,035.91, 16,557.95 and 5,115.69 is: 7,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.91 : 16,557.95 = 5,115.69 : x
  2. Step 2: Convert to fraction form
    11,035.91/16,557.95 = 5,115.69/x
  3. Step 3: Cross multiply
    11,035.91x = 16,557.95 × 5,115.69
  4. Step 4: Simplify right side
    11,035.91x = 84,705,352.02
  5. Step 5: Solve for x
    x = 84,705,352.02/11,035.91
  6. Step 6: Final answer
    x = 7,675.43

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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.