Home / 10,447.05-15,656.35-5,760.04

Finding the Fourth Proportional to 10,447.05, 15,656.35 and 5,760.04

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Solution

The fourth proportional to 10,447.05, 15,656.35 and 5,760.04 is: 8,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.05 : 15,656.35 = 5,760.04 : x
  2. Step 2: Convert to fraction form
    10,447.05/15,656.35 = 5,760.04/x
  3. Step 3: Cross multiply
    10,447.05x = 15,656.35 × 5,760.04
  4. Step 4: Simplify right side
    10,447.05x = 90,181,202.25
  5. Step 5: Solve for x
    x = 90,181,202.25/10,447.05
  6. Step 6: Final answer
    x = 8,632.22

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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.