Home / 7,821.81-10,794.26-4,837.59

Finding the Fourth Proportional to 7,821.81, 10,794.26 and 4,837.59

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Solution

The fourth proportional to 7,821.81, 10,794.26 and 4,837.59 is: 6,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.81 : 10,794.26 = 4,837.59 : x
  2. Step 2: Convert to fraction form
    7,821.81/10,794.26 = 4,837.59/x
  3. Step 3: Cross multiply
    7,821.81x = 10,794.26 × 4,837.59
  4. Step 4: Simplify right side
    7,821.81x = 52,218,180.05
  5. Step 5: Solve for x
    x = 52,218,180.05/7,821.81
  6. Step 6: Final answer
    x = 6,675.97

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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.