Home / 12,237.06-16,887.96-6,859.56

Finding the Fourth Proportional to 12,237.06, 16,887.96 and 6,859.56

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Solution

The fourth proportional to 12,237.06, 16,887.96 and 6,859.56 is: 9,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.06 : 16,887.96 = 6,859.56 : x
  2. Step 2: Convert to fraction form
    12,237.06/16,887.96 = 6,859.56/x
  3. Step 3: Cross multiply
    12,237.06x = 16,887.96 × 6,859.56
  4. Step 4: Simplify right side
    12,237.06x = 115,843,974.90
  5. Step 5: Solve for x
    x = 115,843,974.90/12,237.06
  6. Step 6: Final answer
    x = 9,466.65

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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.