Home / 11,170.56-15,415.20-6,134.52

Finding the Fourth Proportional to 11,170.56, 15,415.20 and 6,134.52

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Solution

The fourth proportional to 11,170.56, 15,415.20 and 6,134.52 is: 8,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.56 : 15,415.20 = 6,134.52 : x
  2. Step 2: Convert to fraction form
    11,170.56/15,415.20 = 6,134.52/x
  3. Step 3: Cross multiply
    11,170.56x = 15,415.20 × 6,134.52
  4. Step 4: Simplify right side
    11,170.56x = 94,564,852.70
  5. Step 5: Solve for x
    x = 94,564,852.70/11,170.56
  6. Step 6: Final answer
    x = 8,465.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.