Home / 12,440.52-18,635.58-5,767.62

Finding the Fourth Proportional to 12,440.52, 18,635.58 and 5,767.62

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Solution

The fourth proportional to 12,440.52, 18,635.58 and 5,767.62 is: 8,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.52 : 18,635.58 = 5,767.62 : x
  2. Step 2: Convert to fraction form
    12,440.52/18,635.58 = 5,767.62/x
  3. Step 3: Cross multiply
    12,440.52x = 18,635.58 × 5,767.62
  4. Step 4: Simplify right side
    12,440.52x = 107,482,943.92
  5. Step 5: Solve for x
    x = 107,482,943.92/12,440.52
  6. Step 6: Final answer
    x = 8,639.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.