Home / 9,241.28-12,749.96-5,464.56

Finding the Fourth Proportional to 9,241.28, 12,749.96 and 5,464.56

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Solution

The fourth proportional to 9,241.28, 12,749.96 and 5,464.56 is: 7,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.28 : 12,749.96 = 5,464.56 : x
  2. Step 2: Convert to fraction form
    9,241.28/12,749.96 = 5,464.56/x
  3. Step 3: Cross multiply
    9,241.28x = 12,749.96 × 5,464.56
  4. Step 4: Simplify right side
    9,241.28x = 69,672,921.42
  5. Step 5: Solve for x
    x = 69,672,921.42/9,241.28
  6. Step 6: Final answer
    x = 7,539.32

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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.