Home / 7,824.06-11,730.89-4,315.75

Finding the Fourth Proportional to 7,824.06, 11,730.89 and 4,315.75

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Solution

The fourth proportional to 7,824.06, 11,730.89 and 4,315.75 is: 6,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.06 : 11,730.89 = 4,315.75 : x
  2. Step 2: Convert to fraction form
    7,824.06/11,730.89 = 4,315.75/x
  3. Step 3: Cross multiply
    7,824.06x = 11,730.89 × 4,315.75
  4. Step 4: Simplify right side
    7,824.06x = 50,627,569.98
  5. Step 5: Solve for x
    x = 50,627,569.98/7,824.06
  6. Step 6: Final answer
    x = 6,470.75

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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.