Home / 10,563.05-15,843.35-2,772.47

Finding the Fourth Proportional to 10,563.05, 15,843.35 and 2,772.47

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Solution

The fourth proportional to 10,563.05, 15,843.35 and 2,772.47 is: 4,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.05 : 15,843.35 = 2,772.47 : x
  2. Step 2: Convert to fraction form
    10,563.05/15,843.35 = 2,772.47/x
  3. Step 3: Cross multiply
    10,563.05x = 15,843.35 × 2,772.47
  4. Step 4: Simplify right side
    10,563.05x = 43,925,119.50
  5. Step 5: Solve for x
    x = 43,925,119.50/10,563.05
  6. Step 6: Final answer
    x = 4,158.38

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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.