Home / 8,309.14-11,465.29-4,951.87

Finding the Fourth Proportional to 8,309.14, 11,465.29 and 4,951.87

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Solution

The fourth proportional to 8,309.14, 11,465.29 and 4,951.87 is: 6,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.14 : 11,465.29 = 4,951.87 : x
  2. Step 2: Convert to fraction form
    8,309.14/11,465.29 = 4,951.87/x
  3. Step 3: Cross multiply
    8,309.14x = 11,465.29 × 4,951.87
  4. Step 4: Simplify right side
    8,309.14x = 56,774,625.59
  5. Step 5: Solve for x
    x = 56,774,625.59/8,309.14
  6. Step 6: Final answer
    x = 6,832.79

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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.