Home / 7,708.11-10,637.22-4,171.32

Finding the Fourth Proportional to 7,708.11, 10,637.22 and 4,171.32

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Solution

The fourth proportional to 7,708.11, 10,637.22 and 4,171.32 is: 5,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.11 : 10,637.22 = 4,171.32 : x
  2. Step 2: Convert to fraction form
    7,708.11/10,637.22 = 4,171.32/x
  3. Step 3: Cross multiply
    7,708.11x = 10,637.22 × 4,171.32
  4. Step 4: Simplify right side
    7,708.11x = 44,371,174.49
  5. Step 5: Solve for x
    x = 44,371,174.49/7,708.11
  6. Step 6: Final answer
    x = 5,756.43

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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.