Home / 11,129.40-15,358.56-6,093.61

Finding the Fourth Proportional to 11,129.40, 15,358.56 and 6,093.61

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Solution

The fourth proportional to 11,129.40, 15,358.56 and 6,093.61 is: 8,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.40 : 15,358.56 = 6,093.61 : x
  2. Step 2: Convert to fraction form
    11,129.40/15,358.56 = 6,093.61/x
  3. Step 3: Cross multiply
    11,129.40x = 15,358.56 × 6,093.61
  4. Step 4: Simplify right side
    11,129.40x = 93,589,013.55
  5. Step 5: Solve for x
    x = 93,589,013.55/11,129.40
  6. Step 6: Final answer
    x = 8,409.17

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1.5x scale

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.