Home / 10,700.82-16,049.41-2,909.63

Finding the Fourth Proportional to 10,700.82, 16,049.41 and 2,909.63

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Solution

The fourth proportional to 10,700.82, 16,049.41 and 2,909.63 is: 4,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.82 : 16,049.41 = 2,909.63 : x
  2. Step 2: Convert to fraction form
    10,700.82/16,049.41 = 2,909.63/x
  3. Step 3: Cross multiply
    10,700.82x = 16,049.41 × 2,909.63
  4. Step 4: Simplify right side
    10,700.82x = 46,697,877.67
  5. Step 5: Solve for x
    x = 46,697,877.67/10,700.82
  6. Step 6: Final answer
    x = 4,363.95

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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.