Home / 7,464.78-11,189.61-3,307.05

Finding the Fourth Proportional to 7,464.78, 11,189.61 and 3,307.05

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Solution

The fourth proportional to 7,464.78, 11,189.61 and 3,307.05 is: 4,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.78 : 11,189.61 = 3,307.05 : x
  2. Step 2: Convert to fraction form
    7,464.78/11,189.61 = 3,307.05/x
  3. Step 3: Cross multiply
    7,464.78x = 11,189.61 × 3,307.05
  4. Step 4: Simplify right side
    7,464.78x = 37,004,599.75
  5. Step 5: Solve for x
    x = 37,004,599.75/7,464.78
  6. Step 6: Final answer
    x = 4,957.23

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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.