Home / 11,281.66-15,568.49-6,245.77

Finding the Fourth Proportional to 11,281.66, 15,568.49 and 6,245.77

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Solution

The fourth proportional to 11,281.66, 15,568.49 and 6,245.77 is: 8,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.66 : 15,568.49 = 6,245.77 : x
  2. Step 2: Convert to fraction form
    11,281.66/15,568.49 = 6,245.77/x
  3. Step 3: Cross multiply
    11,281.66x = 15,568.49 × 6,245.77
  4. Step 4: Simplify right side
    11,281.66x = 97,237,098.72
  5. Step 5: Solve for x
    x = 97,237,098.72/11,281.66
  6. Step 6: Final answer
    x = 8,619.05

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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.