Home / 7,608.20-10,432.13-6,859.22

Finding the Fourth Proportional to 7,608.20, 10,432.13 and 6,859.22

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Solution

The fourth proportional to 7,608.20, 10,432.13 and 6,859.22 is: 9,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.20 : 10,432.13 = 6,859.22 : x
  2. Step 2: Convert to fraction form
    7,608.20/10,432.13 = 6,859.22/x
  3. Step 3: Cross multiply
    7,608.20x = 10,432.13 × 6,859.22
  4. Step 4: Simplify right side
    7,608.20x = 71,556,188.28
  5. Step 5: Solve for x
    x = 71,556,188.28/7,608.20
  6. Step 6: Final answer
    x = 9,405.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.