Home / 7,708.16-10,637.23-4,171.43

Finding the Fourth Proportional to 7,708.16, 10,637.23 and 4,171.43

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Solution

The fourth proportional to 7,708.16, 10,637.23 and 4,171.43 is: 5,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.16 : 10,637.23 = 4,171.43 : x
  2. Step 2: Convert to fraction form
    7,708.16/10,637.23 = 4,171.43/x
  3. Step 3: Cross multiply
    7,708.16x = 10,637.23 × 4,171.43
  4. Step 4: Simplify right side
    7,708.16x = 44,372,460.34
  5. Step 5: Solve for x
    x = 44,372,460.34/7,708.16
  6. Step 6: Final answer
    x = 5,756.56

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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.