Home / 10,017.29-13,819.26-6,481.64

Finding the Fourth Proportional to 10,017.29, 13,819.26 and 6,481.64

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Solution

The fourth proportional to 10,017.29, 13,819.26 and 6,481.64 is: 8,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.29 : 13,819.26 = 6,481.64 : x
  2. Step 2: Convert to fraction form
    10,017.29/13,819.26 = 6,481.64/x
  3. Step 3: Cross multiply
    10,017.29x = 13,819.26 × 6,481.64
  4. Step 4: Simplify right side
    10,017.29x = 89,571,468.39
  5. Step 5: Solve for x
    x = 89,571,468.39/10,017.29
  6. Step 6: Final answer
    x = 8,941.69

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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.