Home / 8,466.81-11,683.31-4,689.88

Finding the Fourth Proportional to 8,466.81, 11,683.31 and 4,689.88

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Solution

The fourth proportional to 8,466.81, 11,683.31 and 4,689.88 is: 6,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.81 : 11,683.31 = 4,689.88 : x
  2. Step 2: Convert to fraction form
    8,466.81/11,683.31 = 4,689.88/x
  3. Step 3: Cross multiply
    8,466.81x = 11,683.31 × 4,689.88
  4. Step 4: Simplify right side
    8,466.81x = 54,793,240.04
  5. Step 5: Solve for x
    x = 54,793,240.04/8,466.81
  6. Step 6: Final answer
    x = 6,471.53

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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.