Home / 7,308.45-10,078.49-6,701.36

Finding the Fourth Proportional to 7,308.45, 10,078.49 and 6,701.36

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Solution

The fourth proportional to 7,308.45, 10,078.49 and 6,701.36 is: 9,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.45 : 10,078.49 = 6,701.36 : x
  2. Step 2: Convert to fraction form
    7,308.45/10,078.49 = 6,701.36/x
  3. Step 3: Cross multiply
    7,308.45x = 10,078.49 × 6,701.36
  4. Step 4: Simplify right side
    7,308.45x = 67,539,556.11
  5. Step 5: Solve for x
    x = 67,539,556.11/7,308.45
  6. Step 6: Final answer
    x = 9,241.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.