Home / 7,363.20-11,055.60-4,447.20

Finding the Fourth Proportional to 7,363.20, 11,055.60 and 4,447.20

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Solution

The fourth proportional to 7,363.20, 11,055.60 and 4,447.20 is: 6,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.20 : 11,055.60 = 4,447.20 : x
  2. Step 2: Convert to fraction form
    7,363.20/11,055.60 = 4,447.20/x
  3. Step 3: Cross multiply
    7,363.20x = 11,055.60 × 4,447.20
  4. Step 4: Simplify right side
    7,363.20x = 49,166,464.32
  5. Step 5: Solve for x
    x = 49,166,464.32/7,363.20
  6. Step 6: Final answer
    x = 6,677.32

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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.