Home / 10,162.76-15,269.70-6,466.64

Finding the Fourth Proportional to 10,162.76, 15,269.70 and 6,466.64

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Solution

The fourth proportional to 10,162.76, 15,269.70 and 6,466.64 is: 9,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.76 : 15,269.70 = 6,466.64 : x
  2. Step 2: Convert to fraction form
    10,162.76/15,269.70 = 6,466.64/x
  3. Step 3: Cross multiply
    10,162.76x = 15,269.70 × 6,466.64
  4. Step 4: Simplify right side
    10,162.76x = 98,743,652.81
  5. Step 5: Solve for x
    x = 98,743,652.81/10,162.76
  6. Step 6: Final answer
    x = 9,716.22

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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.