Home / 10,950.13-16,420.93-3,552.80

Finding the Fourth Proportional to 10,950.13, 16,420.93 and 3,552.80

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Solution

The fourth proportional to 10,950.13, 16,420.93 and 3,552.80 is: 5,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.13 : 16,420.93 = 3,552.80 : x
  2. Step 2: Convert to fraction form
    10,950.13/16,420.93 = 3,552.80/x
  3. Step 3: Cross multiply
    10,950.13x = 16,420.93 × 3,552.80
  4. Step 4: Simplify right side
    10,950.13x = 58,340,280.10
  5. Step 5: Solve for x
    x = 58,340,280.10/10,950.13
  6. Step 6: Final answer
    x = 5,327.82

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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.