Home / 10,117.92-13,958.46-6,137.58

Finding the Fourth Proportional to 10,117.92, 13,958.46 and 6,137.58

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Solution

The fourth proportional to 10,117.92, 13,958.46 and 6,137.58 is: 8,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.92 : 13,958.46 = 6,137.58 : x
  2. Step 2: Convert to fraction form
    10,117.92/13,958.46 = 6,137.58/x
  3. Step 3: Cross multiply
    10,117.92x = 13,958.46 × 6,137.58
  4. Step 4: Simplify right side
    10,117.92x = 85,671,164.93
  5. Step 5: Solve for x
    x = 85,671,164.93/10,117.92
  6. Step 6: Final answer
    x = 8,467.27

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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.