Home / 11,708.39-16,157.35-6,403.19

Finding the Fourth Proportional to 11,708.39, 16,157.35 and 6,403.19

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Solution

The fourth proportional to 11,708.39, 16,157.35 and 6,403.19 is: 8,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.39 : 16,157.35 = 6,403.19 : x
  2. Step 2: Convert to fraction form
    11,708.39/16,157.35 = 6,403.19/x
  3. Step 3: Cross multiply
    11,708.39x = 16,157.35 × 6,403.19
  4. Step 4: Simplify right side
    11,708.39x = 103,458,581.95
  5. Step 5: Solve for x
    x = 103,458,581.95/11,708.39
  6. Step 6: Final answer
    x = 8,836.28

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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.