Home / 10,138.32-13,993.20-6,595.44

Finding the Fourth Proportional to 10,138.32, 13,993.20 and 6,595.44

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Solution

The fourth proportional to 10,138.32, 13,993.20 and 6,595.44 is: 9,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.32 : 13,993.20 = 6,595.44 : x
  2. Step 2: Convert to fraction form
    10,138.32/13,993.20 = 6,595.44/x
  3. Step 3: Cross multiply
    10,138.32x = 13,993.20 × 6,595.44
  4. Step 4: Simplify right side
    10,138.32x = 92,291,311.01
  5. Step 5: Solve for x
    x = 92,291,311.01/10,138.32
  6. Step 6: Final answer
    x = 9,103.22

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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.