Home / 7,454.69-11,187.41-2,775.35

Finding the Fourth Proportional to 7,454.69, 11,187.41 and 2,775.35

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Solution

The fourth proportional to 7,454.69, 11,187.41 and 2,775.35 is: 4,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.69 : 11,187.41 = 2,775.35 : x
  2. Step 2: Convert to fraction form
    7,454.69/11,187.41 = 2,775.35/x
  3. Step 3: Cross multiply
    7,454.69x = 11,187.41 × 2,775.35
  4. Step 4: Simplify right side
    7,454.69x = 31,048,964.47
  5. Step 5: Solve for x
    x = 31,048,964.47/7,454.69
  6. Step 6: Final answer
    x = 4,165.02

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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.