Home / 7,362.80-11,047.74-3,665.35

Finding the Fourth Proportional to 7,362.80, 11,047.74 and 3,665.35

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Solution

The fourth proportional to 7,362.80, 11,047.74 and 3,665.35 is: 5,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.80 : 11,047.74 = 3,665.35 : x
  2. Step 2: Convert to fraction form
    7,362.80/11,047.74 = 3,665.35/x
  3. Step 3: Cross multiply
    7,362.80x = 11,047.74 × 3,665.35
  4. Step 4: Simplify right side
    7,362.80x = 40,493,833.81
  5. Step 5: Solve for x
    x = 40,493,833.81/7,362.80
  6. Step 6: Final answer
    x = 5,499.79

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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.