Home / 7,836.80-10,814.94-4,299.98

Finding the Fourth Proportional to 7,836.80, 10,814.94 and 4,299.98

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Solution

The fourth proportional to 7,836.80, 10,814.94 and 4,299.98 is: 5,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.80 : 10,814.94 = 4,299.98 : x
  2. Step 2: Convert to fraction form
    7,836.80/10,814.94 = 4,299.98/x
  3. Step 3: Cross multiply
    7,836.80x = 10,814.94 × 4,299.98
  4. Step 4: Simplify right side
    7,836.80x = 46,503,971.63
  5. Step 5: Solve for x
    x = 46,503,971.63/7,836.80
  6. Step 6: Final answer
    x = 5,934.05

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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.