Home / 10,508.86-15,749.66-4,261.58

Finding the Fourth Proportional to 10,508.86, 15,749.66 and 4,261.58

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Solution

The fourth proportional to 10,508.86, 15,749.66 and 4,261.58 is: 6,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.86 : 15,749.66 = 4,261.58 : x
  2. Step 2: Convert to fraction form
    10,508.86/15,749.66 = 4,261.58/x
  3. Step 3: Cross multiply
    10,508.86x = 15,749.66 × 4,261.58
  4. Step 4: Simplify right side
    10,508.86x = 67,118,367.97
  5. Step 5: Solve for x
    x = 67,118,367.97/10,508.86
  6. Step 6: Final answer
    x = 6,386.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.