Home / 9,148.05-13,724.96-5,454.45

Finding the Fourth Proportional to 9,148.05, 13,724.96 and 5,454.45

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Solution

The fourth proportional to 9,148.05, 13,724.96 and 5,454.45 is: 8,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.05 : 13,724.96 = 5,454.45 : x
  2. Step 2: Convert to fraction form
    9,148.05/13,724.96 = 5,454.45/x
  3. Step 3: Cross multiply
    9,148.05x = 13,724.96 × 5,454.45
  4. Step 4: Simplify right side
    9,148.05x = 74,862,080.80
  5. Step 5: Solve for x
    x = 74,862,080.80/9,148.05
  6. Step 6: Final answer
    x = 8,183.39

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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.