Home / 7,824.08-11,730.94-4,315.77

Finding the Fourth Proportional to 7,824.08, 11,730.94 and 4,315.77

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Solution

The fourth proportional to 7,824.08, 11,730.94 and 4,315.77 is: 6,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.08 : 11,730.94 = 4,315.77 : x
  2. Step 2: Convert to fraction form
    7,824.08/11,730.94 = 4,315.77/x
  3. Step 3: Cross multiply
    7,824.08x = 11,730.94 × 4,315.77
  4. Step 4: Simplify right side
    7,824.08x = 50,628,028.13
  5. Step 5: Solve for x
    x = 50,628,028.13/7,824.08
  6. Step 6: Final answer
    x = 6,470.79

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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.