Home / 10,112.04-13,956.42-6,135.12

Finding the Fourth Proportional to 10,112.04, 13,956.42 and 6,135.12

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Solution

The fourth proportional to 10,112.04, 13,956.42 and 6,135.12 is: 8,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.04 : 13,956.42 = 6,135.12 : x
  2. Step 2: Convert to fraction form
    10,112.04/13,956.42 = 6,135.12/x
  3. Step 3: Cross multiply
    10,112.04x = 13,956.42 × 6,135.12
  4. Step 4: Simplify right side
    10,112.04x = 85,624,311.47
  5. Step 5: Solve for x
    x = 85,624,311.47/10,112.04
  6. Step 6: Final answer
    x = 8,467.56

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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.