Home / 10,245.14-15,369.32-3,671.18

Finding the Fourth Proportional to 10,245.14, 15,369.32 and 3,671.18

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Solution

The fourth proportional to 10,245.14, 15,369.32 and 3,671.18 is: 5,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.14 : 15,369.32 = 3,671.18 : x
  2. Step 2: Convert to fraction form
    10,245.14/15,369.32 = 3,671.18/x
  3. Step 3: Cross multiply
    10,245.14x = 15,369.32 × 3,671.18
  4. Step 4: Simplify right side
    10,245.14x = 56,423,540.20
  5. Step 5: Solve for x
    x = 56,423,540.20/10,245.14
  6. Step 6: Final answer
    x = 5,507.35

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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.