Home / 7,713.45-10,644.09-4,356.42

Finding the Fourth Proportional to 7,713.45, 10,644.09 and 4,356.42

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Solution

The fourth proportional to 7,713.45, 10,644.09 and 4,356.42 is: 6,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.45 : 10,644.09 = 4,356.42 : x
  2. Step 2: Convert to fraction form
    7,713.45/10,644.09 = 4,356.42/x
  3. Step 3: Cross multiply
    7,713.45x = 10,644.09 × 4,356.42
  4. Step 4: Simplify right side
    7,713.45x = 46,370,126.56
  5. Step 5: Solve for x
    x = 46,370,126.56/7,713.45
  6. Step 6: Final answer
    x = 6,011.59

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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.