Home / 10,950.55-16,438.13-4,381.36

Finding the Fourth Proportional to 10,950.55, 16,438.13 and 4,381.36

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Solution

The fourth proportional to 10,950.55, 16,438.13 and 4,381.36 is: 6,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.55 : 16,438.13 = 4,381.36 : x
  2. Step 2: Convert to fraction form
    10,950.55/16,438.13 = 4,381.36/x
  3. Step 3: Cross multiply
    10,950.55x = 16,438.13 × 4,381.36
  4. Step 4: Simplify right side
    10,950.55x = 72,021,365.26
  5. Step 5: Solve for x
    x = 72,021,365.26/10,950.55
  6. Step 6: Final answer
    x = 6,576.96

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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.