Home / 11,766.36-16,237.80-6,461.58

Finding the Fourth Proportional to 11,766.36, 16,237.80 and 6,461.58

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Solution

The fourth proportional to 11,766.36, 16,237.80 and 6,461.58 is: 8,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.36 : 16,237.80 = 6,461.58 : x
  2. Step 2: Convert to fraction form
    11,766.36/16,237.80 = 6,461.58/x
  3. Step 3: Cross multiply
    11,766.36x = 16,237.80 × 6,461.58
  4. Step 4: Simplify right side
    11,766.36x = 104,921,843.72
  5. Step 5: Solve for x
    x = 104,921,843.72/11,766.36
  6. Step 6: Final answer
    x = 8,917.10

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1.5x scale

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.