Home / 11,291.70-16,947.15-5,061.30

Finding the Fourth Proportional to 11,291.70, 16,947.15 and 5,061.30

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Solution

The fourth proportional to 11,291.70, 16,947.15 and 5,061.30 is: 7,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.70 : 16,947.15 = 5,061.30 : x
  2. Step 2: Convert to fraction form
    11,291.70/16,947.15 = 5,061.30/x
  3. Step 3: Cross multiply
    11,291.70x = 16,947.15 × 5,061.30
  4. Step 4: Simplify right side
    11,291.70x = 85,774,610.30
  5. Step 5: Solve for x
    x = 85,774,610.30/11,291.70
  6. Step 6: Final answer
    x = 7,596.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.