Home / 11,205.48-16,807.02-3,414.36

Finding the Fourth Proportional to 11,205.48, 16,807.02 and 3,414.36

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Solution

The fourth proportional to 11,205.48, 16,807.02 and 3,414.36 is: 5,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.48 : 16,807.02 = 3,414.36 : x
  2. Step 2: Convert to fraction form
    11,205.48/16,807.02 = 3,414.36/x
  3. Step 3: Cross multiply
    11,205.48x = 16,807.02 × 3,414.36
  4. Step 4: Simplify right side
    11,205.48x = 57,385,216.81
  5. Step 5: Solve for x
    x = 57,385,216.81/11,205.48
  6. Step 6: Final answer
    x = 5,121.17

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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.