Home / 11,766.60-16,237.32-6,461.28

Finding the Fourth Proportional to 11,766.60, 16,237.32 and 6,461.28

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Solution

The fourth proportional to 11,766.60, 16,237.32 and 6,461.28 is: 8,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.60 : 16,237.32 = 6,461.28 : x
  2. Step 2: Convert to fraction form
    11,766.60/16,237.32 = 6,461.28/x
  3. Step 3: Cross multiply
    11,766.60x = 16,237.32 × 6,461.28
  4. Step 4: Simplify right side
    11,766.60x = 104,913,870.97
  5. Step 5: Solve for x
    x = 104,913,870.97/11,766.60
  6. Step 6: Final answer
    x = 8,916.24

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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.