Home / 6,693.15-10,039.47-3,185.67

Finding the Fourth Proportional to 6,693.15, 10,039.47 and 3,185.67

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Solution

The fourth proportional to 6,693.15, 10,039.47 and 3,185.67 is: 4,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.15 : 10,039.47 = 3,185.67 : x
  2. Step 2: Convert to fraction form
    6,693.15/10,039.47 = 3,185.67/x
  3. Step 3: Cross multiply
    6,693.15x = 10,039.47 × 3,185.67
  4. Step 4: Simplify right side
    6,693.15x = 31,982,388.20
  5. Step 5: Solve for x
    x = 31,982,388.20/6,693.15
  6. Step 6: Final answer
    x = 4,778.38

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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.