Home / 11,415.03-17,111.88-5,856.07

Finding the Fourth Proportional to 11,415.03, 17,111.88 and 5,856.07

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Solution

The fourth proportional to 11,415.03, 17,111.88 and 5,856.07 is: 8,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.03 : 17,111.88 = 5,856.07 : x
  2. Step 2: Convert to fraction form
    11,415.03/17,111.88 = 5,856.07/x
  3. Step 3: Cross multiply
    11,415.03x = 17,111.88 × 5,856.07
  4. Step 4: Simplify right side
    11,415.03x = 100,208,367.11
  5. Step 5: Solve for x
    x = 100,208,367.11/11,415.03
  6. Step 6: Final answer
    x = 8,778.63

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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.