Home / 11,865.15-16,374.25-6,560.31

Finding the Fourth Proportional to 11,865.15, 16,374.25 and 6,560.31

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Solution

The fourth proportional to 11,865.15, 16,374.25 and 6,560.31 is: 9,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.15 : 16,374.25 = 6,560.31 : x
  2. Step 2: Convert to fraction form
    11,865.15/16,374.25 = 6,560.31/x
  3. Step 3: Cross multiply
    11,865.15x = 16,374.25 × 6,560.31
  4. Step 4: Simplify right side
    11,865.15x = 107,420,156.02
  5. Step 5: Solve for x
    x = 107,420,156.02/11,865.15
  6. Step 6: Final answer
    x = 9,053.42

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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.