Home / 10,441.58-15,664.12-5,176.85

Finding the Fourth Proportional to 10,441.58, 15,664.12 and 5,176.85

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Solution

The fourth proportional to 10,441.58, 15,664.12 and 5,176.85 is: 7,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.58 : 15,664.12 = 5,176.85 : x
  2. Step 2: Convert to fraction form
    10,441.58/15,664.12 = 5,176.85/x
  3. Step 3: Cross multiply
    10,441.58x = 15,664.12 × 5,176.85
  4. Step 4: Simplify right side
    10,441.58x = 81,090,708.36
  5. Step 5: Solve for x
    x = 81,090,708.36/10,441.58
  6. Step 6: Final answer
    x = 7,766.14

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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.