Home / 7,722.38-10,664.45-6,596.75

Finding the Fourth Proportional to 7,722.38, 10,664.45 and 6,596.75

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Solution

The fourth proportional to 7,722.38, 10,664.45 and 6,596.75 is: 9,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.38 : 10,664.45 = 6,596.75 : x
  2. Step 2: Convert to fraction form
    7,722.38/10,664.45 = 6,596.75/x
  3. Step 3: Cross multiply
    7,722.38x = 10,664.45 × 6,596.75
  4. Step 4: Simplify right side
    7,722.38x = 70,350,710.54
  5. Step 5: Solve for x
    x = 70,350,710.54/7,722.38
  6. Step 6: Final answer
    x = 9,109.98

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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.