Home / 11,258.29-15,537.04-6,478.96

Finding the Fourth Proportional to 11,258.29, 15,537.04 and 6,478.96

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Solution

The fourth proportional to 11,258.29, 15,537.04 and 6,478.96 is: 8,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.29 : 15,537.04 = 6,478.96 : x
  2. Step 2: Convert to fraction form
    11,258.29/15,537.04 = 6,478.96/x
  3. Step 3: Cross multiply
    11,258.29x = 15,537.04 × 6,478.96
  4. Step 4: Simplify right side
    11,258.29x = 100,663,896.69
  5. Step 5: Solve for x
    x = 100,663,896.69/11,258.29
  6. Step 6: Final answer
    x = 8,941.31

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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.