Home / 10,311.93-15,467.13-3,291.66

Finding the Fourth Proportional to 10,311.93, 15,467.13 and 3,291.66

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Solution

The fourth proportional to 10,311.93, 15,467.13 and 3,291.66 is: 4,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.93 : 15,467.13 = 3,291.66 : x
  2. Step 2: Convert to fraction form
    10,311.93/15,467.13 = 3,291.66/x
  3. Step 3: Cross multiply
    10,311.93x = 15,467.13 × 3,291.66
  4. Step 4: Simplify right side
    10,311.93x = 50,912,533.14
  5. Step 5: Solve for x
    x = 50,912,533.14/10,311.93
  6. Step 6: Final answer
    x = 4,937.25

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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.