Home / 11,104.20-16,656.30-7,394.40

Finding the Fourth Proportional to 11,104.20, 16,656.30 and 7,394.40

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Solution

The fourth proportional to 11,104.20, 16,656.30 and 7,394.40 is: 11,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.20 : 16,656.30 = 7,394.40 : x
  2. Step 2: Convert to fraction form
    11,104.20/16,656.30 = 7,394.40/x
  3. Step 3: Cross multiply
    11,104.20x = 16,656.30 × 7,394.40
  4. Step 4: Simplify right side
    11,104.20x = 123,163,344.72
  5. Step 5: Solve for x
    x = 123,163,344.72/11,104.20
  6. Step 6: Final answer
    x = 11,091.60

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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.