Home / 7,713.80-10,644.43-4,356.94

Finding the Fourth Proportional to 7,713.80, 10,644.43 and 4,356.94

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Solution

The fourth proportional to 7,713.80, 10,644.43 and 4,356.94 is: 6,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.80 : 10,644.43 = 4,356.94 : x
  2. Step 2: Convert to fraction form
    7,713.80/10,644.43 = 4,356.94/x
  3. Step 3: Cross multiply
    7,713.80x = 10,644.43 × 4,356.94
  4. Step 4: Simplify right side
    7,713.80x = 46,377,142.84
  5. Step 5: Solve for x
    x = 46,377,142.84/7,713.80
  6. Step 6: Final answer
    x = 6,012.23

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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.