Home / 10,950.84-16,438.55-4,381.61

Finding the Fourth Proportional to 10,950.84, 16,438.55 and 4,381.61

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Solution

The fourth proportional to 10,950.84, 16,438.55 and 4,381.61 is: 6,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.84 : 16,438.55 = 4,381.61 : x
  2. Step 2: Convert to fraction form
    10,950.84/16,438.55 = 4,381.61/x
  3. Step 3: Cross multiply
    10,950.84x = 16,438.55 × 4,381.61
  4. Step 4: Simplify right side
    10,950.84x = 72,027,210.96
  5. Step 5: Solve for x
    x = 72,027,210.96/10,950.84
  6. Step 6: Final answer
    x = 6,577.32

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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.