Home / 7,395.36-11,089.80-2,775.12

Finding the Fourth Proportional to 7,395.36, 11,089.80 and 2,775.12

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Solution

The fourth proportional to 7,395.36, 11,089.80 and 2,775.12 is: 4,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.36 : 11,089.80 = 2,775.12 : x
  2. Step 2: Convert to fraction form
    7,395.36/11,089.80 = 2,775.12/x
  3. Step 3: Cross multiply
    7,395.36x = 11,089.80 × 2,775.12
  4. Step 4: Simplify right side
    7,395.36x = 30,775,525.78
  5. Step 5: Solve for x
    x = 30,775,525.78/7,395.36
  6. Step 6: Final answer
    x = 4,161.46

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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.