Home / 11,262.90-15,549.02-6,787.76

Finding the Fourth Proportional to 11,262.90, 15,549.02 and 6,787.76

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Solution

The fourth proportional to 11,262.90, 15,549.02 and 6,787.76 is: 9,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.90 : 15,549.02 = 6,787.76 : x
  2. Step 2: Convert to fraction form
    11,262.90/15,549.02 = 6,787.76/x
  3. Step 3: Cross multiply
    11,262.90x = 15,549.02 × 6,787.76
  4. Step 4: Simplify right side
    11,262.90x = 105,543,016.00
  5. Step 5: Solve for x
    x = 105,543,016.00/11,262.90
  6. Step 6: Final answer
    x = 9,370.86

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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.