Home / 10,687.24-14,746.26-6,211

Finding the Fourth Proportional to 10,687.24, 14,746.26 and 6,211

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Solution

The fourth proportional to 10,687.24, 14,746.26 and 6,211 is: 8,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.24 : 14,746.26 = 6,211 : x
  2. Step 2: Convert to fraction form
    10,687.24/14,746.26 = 6,211/x
  3. Step 3: Cross multiply
    10,687.24x = 14,746.26 × 6,211
  4. Step 4: Simplify right side
    10,687.24x = 91,589,020.86
  5. Step 5: Solve for x
    x = 91,589,020.86/10,687.24
  6. Step 6: Final answer
    x = 8,569.94

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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.