Home / 11,388.15-17,082.36-5,539.77

Finding the Fourth Proportional to 11,388.15, 17,082.36 and 5,539.77

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Solution

The fourth proportional to 11,388.15, 17,082.36 and 5,539.77 is: 8,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.15 : 17,082.36 = 5,539.77 : x
  2. Step 2: Convert to fraction form
    11,388.15/17,082.36 = 5,539.77/x
  3. Step 3: Cross multiply
    11,388.15x = 17,082.36 × 5,539.77
  4. Step 4: Simplify right side
    11,388.15x = 94,632,345.46
  5. Step 5: Solve for x
    x = 94,632,345.46/11,388.15
  6. Step 6: Final answer
    x = 8,309.72

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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.