Home / 8,251.94-11,388.28-4,715.07

Finding the Fourth Proportional to 8,251.94, 11,388.28 and 4,715.07

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Solution

The fourth proportional to 8,251.94, 11,388.28 and 4,715.07 is: 6,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.94 : 11,388.28 = 4,715.07 : x
  2. Step 2: Convert to fraction form
    8,251.94/11,388.28 = 4,715.07/x
  3. Step 3: Cross multiply
    8,251.94x = 11,388.28 × 4,715.07
  4. Step 4: Simplify right side
    8,251.94x = 53,696,525.59
  5. Step 5: Solve for x
    x = 53,696,525.59/8,251.94
  6. Step 6: Final answer
    x = 6,507.14

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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.