Home / 11,787.48-16,266.28-6,481.98

Finding the Fourth Proportional to 11,787.48, 16,266.28 and 6,481.98

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Solution

The fourth proportional to 11,787.48, 16,266.28 and 6,481.98 is: 8,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.48 : 16,266.28 = 6,481.98 : x
  2. Step 2: Convert to fraction form
    11,787.48/16,266.28 = 6,481.98/x
  3. Step 3: Cross multiply
    11,787.48x = 16,266.28 × 6,481.98
  4. Step 4: Simplify right side
    11,787.48x = 105,437,701.63
  5. Step 5: Solve for x
    x = 105,437,701.63/11,787.48
  6. Step 6: Final answer
    x = 8,944.89

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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.