Home / 10,969.58-15,138.02-5,933.80

Finding the Fourth Proportional to 10,969.58, 15,138.02 and 5,933.80

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Solution

The fourth proportional to 10,969.58, 15,138.02 and 5,933.80 is: 8,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.58 : 15,138.02 = 5,933.80 : x
  2. Step 2: Convert to fraction form
    10,969.58/15,138.02 = 5,933.80/x
  3. Step 3: Cross multiply
    10,969.58x = 15,138.02 × 5,933.80
  4. Step 4: Simplify right side
    10,969.58x = 89,825,983.08
  5. Step 5: Solve for x
    x = 89,825,983.08/10,969.58
  6. Step 6: Final answer
    x = 8,188.64

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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.