Home / 11,708.68-16,157.70-6,403.48

Finding the Fourth Proportional to 11,708.68, 16,157.70 and 6,403.48

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Solution

The fourth proportional to 11,708.68, 16,157.70 and 6,403.48 is: 8,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.68 : 16,157.70 = 6,403.48 : x
  2. Step 2: Convert to fraction form
    11,708.68/16,157.70 = 6,403.48/x
  3. Step 3: Cross multiply
    11,708.68x = 16,157.70 × 6,403.48
  4. Step 4: Simplify right side
    11,708.68x = 103,465,508.80
  5. Step 5: Solve for x
    x = 103,465,508.80/11,708.68
  6. Step 6: Final answer
    x = 8,836.65

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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.