Home / 7,135.16-10,703.76-2,205.23

Finding the Fourth Proportional to 7,135.16, 10,703.76 and 2,205.23

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Solution

The fourth proportional to 7,135.16, 10,703.76 and 2,205.23 is: 3,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.16 : 10,703.76 = 2,205.23 : x
  2. Step 2: Convert to fraction form
    7,135.16/10,703.76 = 2,205.23/x
  3. Step 3: Cross multiply
    7,135.16x = 10,703.76 × 2,205.23
  4. Step 4: Simplify right side
    7,135.16x = 23,604,190.88
  5. Step 5: Solve for x
    x = 23,604,190.88/7,135.16
  6. Step 6: Final answer
    x = 3,308.15

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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.