Home / 11,259.17-16,888.76-2,939.17

Finding the Fourth Proportional to 11,259.17, 16,888.76 and 2,939.17

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Solution

The fourth proportional to 11,259.17, 16,888.76 and 2,939.17 is: 4,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.17 : 16,888.76 = 2,939.17 : x
  2. Step 2: Convert to fraction form
    11,259.17/16,888.76 = 2,939.17/x
  3. Step 3: Cross multiply
    11,259.17x = 16,888.76 × 2,939.17
  4. Step 4: Simplify right side
    11,259.17x = 49,638,936.73
  5. Step 5: Solve for x
    x = 49,638,936.73/11,259.17
  6. Step 6: Final answer
    x = 4,408.76

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1.5x scale

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.