Home / 11,557.78-15,949.74-6,252.61

Finding the Fourth Proportional to 11,557.78, 15,949.74 and 6,252.61

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Solution

The fourth proportional to 11,557.78, 15,949.74 and 6,252.61 is: 8,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.78 : 15,949.74 = 6,252.61 : x
  2. Step 2: Convert to fraction form
    11,557.78/15,949.74 = 6,252.61/x
  3. Step 3: Cross multiply
    11,557.78x = 15,949.74 × 6,252.61
  4. Step 4: Simplify right side
    11,557.78x = 99,727,424.07
  5. Step 5: Solve for x
    x = 99,727,424.07/11,557.78
  6. Step 6: Final answer
    x = 8,628.60

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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.