Home / 7,445.13-11,167.70-3,338.25

Finding the Fourth Proportional to 7,445.13, 11,167.70 and 3,338.25

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Solution

The fourth proportional to 7,445.13, 11,167.70 and 3,338.25 is: 5,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.13 : 11,167.70 = 3,338.25 : x
  2. Step 2: Convert to fraction form
    7,445.13/11,167.70 = 3,338.25/x
  3. Step 3: Cross multiply
    7,445.13x = 11,167.70 × 3,338.25
  4. Step 4: Simplify right side
    7,445.13x = 37,280,557.83
  5. Step 5: Solve for x
    x = 37,280,557.83/7,445.13
  6. Step 6: Final answer
    x = 5,007.38

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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.