Home / 10,980.75-15,153.44-6,012.75

Finding the Fourth Proportional to 10,980.75, 15,153.44 and 6,012.75

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Solution

The fourth proportional to 10,980.75, 15,153.44 and 6,012.75 is: 8,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.75 : 15,153.44 = 6,012.75 : x
  2. Step 2: Convert to fraction form
    10,980.75/15,153.44 = 6,012.75/x
  3. Step 3: Cross multiply
    10,980.75x = 15,153.44 × 6,012.75
  4. Step 4: Simplify right side
    10,980.75x = 91,113,816.30
  5. Step 5: Solve for x
    x = 91,113,816.30/10,980.75
  6. Step 6: Final answer
    x = 8,297.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.