Home / 10,116.56-15,179.65-4,571.60

Finding the Fourth Proportional to 10,116.56, 15,179.65 and 4,571.60

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Solution

The fourth proportional to 10,116.56, 15,179.65 and 4,571.60 is: 6,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.56 : 15,179.65 = 4,571.60 : x
  2. Step 2: Convert to fraction form
    10,116.56/15,179.65 = 4,571.60/x
  3. Step 3: Cross multiply
    10,116.56x = 15,179.65 × 4,571.60
  4. Step 4: Simplify right side
    10,116.56x = 69,395,287.94
  5. Step 5: Solve for x
    x = 69,395,287.94/10,116.56
  6. Step 6: Final answer
    x = 6,859.57

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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.