Home / 11,559.40-17,339.12-2,794.28

Finding the Fourth Proportional to 11,559.40, 17,339.12 and 2,794.28

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Solution

The fourth proportional to 11,559.40, 17,339.12 and 2,794.28 is: 4,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.40 : 17,339.12 = 2,794.28 : x
  2. Step 2: Convert to fraction form
    11,559.40/17,339.12 = 2,794.28/x
  3. Step 3: Cross multiply
    11,559.40x = 17,339.12 × 2,794.28
  4. Step 4: Simplify right side
    11,559.40x = 48,450,356.23
  5. Step 5: Solve for x
    x = 48,450,356.23/11,559.40
  6. Step 6: Final answer
    x = 4,191.42

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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.