Home / 11,135.60-15,367.28-6,099.72

Finding the Fourth Proportional to 11,135.60, 15,367.28 and 6,099.72

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Solution

The fourth proportional to 11,135.60, 15,367.28 and 6,099.72 is: 8,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.60 : 15,367.28 = 6,099.72 : x
  2. Step 2: Convert to fraction form
    11,135.60/15,367.28 = 6,099.72/x
  3. Step 3: Cross multiply
    11,135.60x = 15,367.28 × 6,099.72
  4. Step 4: Simplify right side
    11,135.60x = 93,736,105.16
  5. Step 5: Solve for x
    x = 93,736,105.16/11,135.60
  6. Step 6: Final answer
    x = 8,417.70

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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.