Home / 10,367.15-15,550.60-7,311.65

Finding the Fourth Proportional to 10,367.15, 15,550.60 and 7,311.65

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Solution

The fourth proportional to 10,367.15, 15,550.60 and 7,311.65 is: 10,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.15 : 15,550.60 = 7,311.65 : x
  2. Step 2: Convert to fraction form
    10,367.15/15,550.60 = 7,311.65/x
  3. Step 3: Cross multiply
    10,367.15x = 15,550.60 × 7,311.65
  4. Step 4: Simplify right side
    10,367.15x = 113,700,544.49
  5. Step 5: Solve for x
    x = 113,700,544.49/10,367.15
  6. Step 6: Final answer
    x = 10,967.39

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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.