Home / 12,517.62-18,774.04-3,752.53

Finding the Fourth Proportional to 12,517.62, 18,774.04 and 3,752.53

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Solution

The fourth proportional to 12,517.62, 18,774.04 and 3,752.53 is: 5,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.62 : 18,774.04 = 3,752.53 : x
  2. Step 2: Convert to fraction form
    12,517.62/18,774.04 = 3,752.53/x
  3. Step 3: Cross multiply
    12,517.62x = 18,774.04 × 3,752.53
  4. Step 4: Simplify right side
    12,517.62x = 70,450,148.32
  5. Step 5: Solve for x
    x = 70,450,148.32/12,517.62
  6. Step 6: Final answer
    x = 5,628.08

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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.