Home / 11,105.85-16,663.40-4,862.65

Finding the Fourth Proportional to 11,105.85, 16,663.40 and 4,862.65

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Solution

The fourth proportional to 11,105.85, 16,663.40 and 4,862.65 is: 7,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.85 : 16,663.40 = 4,862.65 : x
  2. Step 2: Convert to fraction form
    11,105.85/16,663.40 = 4,862.65/x
  3. Step 3: Cross multiply
    11,105.85x = 16,663.40 × 4,862.65
  4. Step 4: Simplify right side
    11,105.85x = 81,028,282.01
  5. Step 5: Solve for x
    x = 81,028,282.01/11,105.85
  6. Step 6: Final answer
    x = 7,296.00

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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.