Home / 7,359.48-11,039.16-2,165.28

Finding the Fourth Proportional to 7,359.48, 11,039.16 and 2,165.28

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Solution

The fourth proportional to 7,359.48, 11,039.16 and 2,165.28 is: 3,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.48 : 11,039.16 = 2,165.28 : x
  2. Step 2: Convert to fraction form
    7,359.48/11,039.16 = 2,165.28/x
  3. Step 3: Cross multiply
    7,359.48x = 11,039.16 × 2,165.28
  4. Step 4: Simplify right side
    7,359.48x = 23,902,872.36
  5. Step 5: Solve for x
    x = 23,902,872.36/7,359.48
  6. Step 6: Final answer
    x = 3,247.90

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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.