Home / 7,395.19-11,094.40-2,778.19

Finding the Fourth Proportional to 7,395.19, 11,094.40 and 2,778.19

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Solution

The fourth proportional to 7,395.19, 11,094.40 and 2,778.19 is: 4,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.19 : 11,094.40 = 2,778.19 : x
  2. Step 2: Convert to fraction form
    7,395.19/11,094.40 = 2,778.19/x
  3. Step 3: Cross multiply
    7,395.19x = 11,094.40 × 2,778.19
  4. Step 4: Simplify right side
    7,395.19x = 30,822,326.87
  5. Step 5: Solve for x
    x = 30,822,326.87/7,395.19
  6. Step 6: Final answer
    x = 4,167.89

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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.