Home / 11,291.76-15,582.60-6,256.32

Finding the Fourth Proportional to 11,291.76, 15,582.60 and 6,256.32

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Solution

The fourth proportional to 11,291.76, 15,582.60 and 6,256.32 is: 8,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.76 : 15,582.60 = 6,256.32 : x
  2. Step 2: Convert to fraction form
    11,291.76/15,582.60 = 6,256.32/x
  3. Step 3: Cross multiply
    11,291.76x = 15,582.60 × 6,256.32
  4. Step 4: Simplify right side
    11,291.76x = 97,489,732.03
  5. Step 5: Solve for x
    x = 97,489,732.03/11,291.76
  6. Step 6: Final answer
    x = 8,633.71

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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.