Home / 7,649.15-10,555.67-4,199.69

Finding the Fourth Proportional to 7,649.15, 10,555.67 and 4,199.69

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Solution

The fourth proportional to 7,649.15, 10,555.67 and 4,199.69 is: 5,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.15 : 10,555.67 = 4,199.69 : x
  2. Step 2: Convert to fraction form
    7,649.15/10,555.67 = 4,199.69/x
  3. Step 3: Cross multiply
    7,649.15x = 10,555.67 × 4,199.69
  4. Step 4: Simplify right side
    7,649.15x = 44,330,467.97
  5. Step 5: Solve for x
    x = 44,330,467.97/7,649.15
  6. Step 6: Final answer
    x = 5,795.48

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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.