Home / 11,240.54-16,856.55-3,742.77

Finding the Fourth Proportional to 11,240.54, 16,856.55 and 3,742.77

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Solution

The fourth proportional to 11,240.54, 16,856.55 and 3,742.77 is: 5,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.54 : 16,856.55 = 3,742.77 : x
  2. Step 2: Convert to fraction form
    11,240.54/16,856.55 = 3,742.77/x
  3. Step 3: Cross multiply
    11,240.54x = 16,856.55 × 3,742.77
  4. Step 4: Simplify right side
    11,240.54x = 63,090,189.64
  5. Step 5: Solve for x
    x = 63,090,189.64/11,240.54
  6. Step 6: Final answer
    x = 5,612.74

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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.