Home / 9,427.56-13,010.60-5,449.64

Finding the Fourth Proportional to 9,427.56, 13,010.60 and 5,449.64

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Solution

The fourth proportional to 9,427.56, 13,010.60 and 5,449.64 is: 7,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.56 : 13,010.60 = 5,449.64 : x
  2. Step 2: Convert to fraction form
    9,427.56/13,010.60 = 5,449.64/x
  3. Step 3: Cross multiply
    9,427.56x = 13,010.60 × 5,449.64
  4. Step 4: Simplify right side
    9,427.56x = 70,903,086.18
  5. Step 5: Solve for x
    x = 70,903,086.18/9,427.56
  6. Step 6: Final answer
    x = 7,520.83

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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.