Home / 11,866.30-16,374.34-6,560.39

Finding the Fourth Proportional to 11,866.30, 16,374.34 and 6,560.39

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Solution

The fourth proportional to 11,866.30, 16,374.34 and 6,560.39 is: 9,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.30 : 16,374.34 = 6,560.39 : x
  2. Step 2: Convert to fraction form
    11,866.30/16,374.34 = 6,560.39/x
  3. Step 3: Cross multiply
    11,866.30x = 16,374.34 × 6,560.39
  4. Step 4: Simplify right side
    11,866.30x = 107,422,056.39
  5. Step 5: Solve for x
    x = 107,422,056.39/11,866.30
  6. Step 6: Final answer
    x = 9,052.70

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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.