Home / 7,824.30-10,791.96-4,841.55

Finding the Fourth Proportional to 7,824.30, 10,791.96 and 4,841.55

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Solution

The fourth proportional to 7,824.30, 10,791.96 and 4,841.55 is: 6,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.30 : 10,791.96 = 4,841.55 : x
  2. Step 2: Convert to fraction form
    7,824.30/10,791.96 = 4,841.55/x
  3. Step 3: Cross multiply
    7,824.30x = 10,791.96 × 4,841.55
  4. Step 4: Simplify right side
    7,824.30x = 52,249,813.94
  5. Step 5: Solve for x
    x = 52,249,813.94/7,824.30
  6. Step 6: Final answer
    x = 6,677.89

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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.