Home / 7,365.20-11,049.78-3,206.10

Finding the Fourth Proportional to 7,365.20, 11,049.78 and 3,206.10

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Solution

The fourth proportional to 7,365.20, 11,049.78 and 3,206.10 is: 4,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.20 : 11,049.78 = 3,206.10 : x
  2. Step 2: Convert to fraction form
    7,365.20/11,049.78 = 3,206.10/x
  3. Step 3: Cross multiply
    7,365.20x = 11,049.78 × 3,206.10
  4. Step 4: Simplify right side
    7,365.20x = 35,426,699.66
  5. Step 5: Solve for x
    x = 35,426,699.66/7,365.20
  6. Step 6: Final answer
    x = 4,810.01

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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.