Home / 10,286.32-15,416.52-7,370.32

Finding the Fourth Proportional to 10,286.32, 15,416.52 and 7,370.32

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Solution

The fourth proportional to 10,286.32, 15,416.52 and 7,370.32 is: 11,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.32 : 15,416.52 = 7,370.32 : x
  2. Step 2: Convert to fraction form
    10,286.32/15,416.52 = 7,370.32/x
  3. Step 3: Cross multiply
    10,286.32x = 15,416.52 × 7,370.32
  4. Step 4: Simplify right side
    10,286.32x = 113,624,685.69
  5. Step 5: Solve for x
    x = 113,624,685.69/10,286.32
  6. Step 6: Final answer
    x = 11,046.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.