Home / 7,389.37-11,080.81-2,769.13

Finding the Fourth Proportional to 7,389.37, 11,080.81 and 2,769.13

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Solution

The fourth proportional to 7,389.37, 11,080.81 and 2,769.13 is: 4,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.37 : 11,080.81 = 2,769.13 : x
  2. Step 2: Convert to fraction form
    7,389.37/11,080.81 = 2,769.13/x
  3. Step 3: Cross multiply
    7,389.37x = 11,080.81 × 2,769.13
  4. Step 4: Simplify right side
    7,389.37x = 30,684,134.15
  5. Step 5: Solve for x
    x = 30,684,134.15/7,389.37
  6. Step 6: Final answer
    x = 4,152.47

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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.