Home / 11,032.80-16,538.40-4,450.20

Finding the Fourth Proportional to 11,032.80, 16,538.40 and 4,450.20

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Solution

The fourth proportional to 11,032.80, 16,538.40 and 4,450.20 is: 6,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.80 : 16,538.40 = 4,450.20 : x
  2. Step 2: Convert to fraction form
    11,032.80/16,538.40 = 4,450.20/x
  3. Step 3: Cross multiply
    11,032.80x = 16,538.40 × 4,450.20
  4. Step 4: Simplify right side
    11,032.80x = 73,599,187.68
  5. Step 5: Solve for x
    x = 73,599,187.68/11,032.80
  6. Step 6: Final answer
    x = 6,670.94

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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.