Home / 11,224.15-16,814.67-6,278.80

Finding the Fourth Proportional to 11,224.15, 16,814.67 and 6,278.80

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Solution

The fourth proportional to 11,224.15, 16,814.67 and 6,278.80 is: 9,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.15 : 16,814.67 = 6,278.80 : x
  2. Step 2: Convert to fraction form
    11,224.15/16,814.67 = 6,278.80/x
  3. Step 3: Cross multiply
    11,224.15x = 16,814.67 × 6,278.80
  4. Step 4: Simplify right side
    11,224.15x = 105,575,950.00
  5. Step 5: Solve for x
    x = 105,575,950.00/11,224.15
  6. Step 6: Final answer
    x = 9,406.14

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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.