Home / 10,453.88-15,680.87-3,533.24

Finding the Fourth Proportional to 10,453.88, 15,680.87 and 3,533.24

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Solution

The fourth proportional to 10,453.88, 15,680.87 and 3,533.24 is: 5,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.88 : 15,680.87 = 3,533.24 : x
  2. Step 2: Convert to fraction form
    10,453.88/15,680.87 = 3,533.24/x
  3. Step 3: Cross multiply
    10,453.88x = 15,680.87 × 3,533.24
  4. Step 4: Simplify right side
    10,453.88x = 55,404,259.45
  5. Step 5: Solve for x
    x = 55,404,259.45/10,453.88
  6. Step 6: Final answer
    x = 5,299.88

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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.