Home / 12,612.53-18,917.48-5,592.67

Finding the Fourth Proportional to 12,612.53, 18,917.48 and 5,592.67

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Solution

The fourth proportional to 12,612.53, 18,917.48 and 5,592.67 is: 8,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.53 : 18,917.48 = 5,592.67 : x
  2. Step 2: Convert to fraction form
    12,612.53/18,917.48 = 5,592.67/x
  3. Step 3: Cross multiply
    12,612.53x = 18,917.48 × 5,592.67
  4. Step 4: Simplify right side
    12,612.53x = 105,799,189.56
  5. Step 5: Solve for x
    x = 105,799,189.56/12,612.53
  6. Step 6: Final answer
    x = 8,388.42

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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.