Home / 10,103.32-15,156.82-4,176.99

Finding the Fourth Proportional to 10,103.32, 15,156.82 and 4,176.99

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Solution

The fourth proportional to 10,103.32, 15,156.82 and 4,176.99 is: 6,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.32 : 15,156.82 = 4,176.99 : x
  2. Step 2: Convert to fraction form
    10,103.32/15,156.82 = 4,176.99/x
  3. Step 3: Cross multiply
    10,103.32x = 15,156.82 × 4,176.99
  4. Step 4: Simplify right side
    10,103.32x = 63,309,867.30
  5. Step 5: Solve for x
    x = 63,309,867.30/10,103.32
  6. Step 6: Final answer
    x = 6,266.24

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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.