Home / 6,609.24-9,119.16-4,091.45

Finding the Fourth Proportional to 6,609.24, 9,119.16 and 4,091.45

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Solution

The fourth proportional to 6,609.24, 9,119.16 and 4,091.45 is: 5,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.24 : 9,119.16 = 4,091.45 : x
  2. Step 2: Convert to fraction form
    6,609.24/9,119.16 = 4,091.45/x
  3. Step 3: Cross multiply
    6,609.24x = 9,119.16 × 4,091.45
  4. Step 4: Simplify right side
    6,609.24x = 37,310,541.59
  5. Step 5: Solve for x
    x = 37,310,541.59/6,609.24
  6. Step 6: Final answer
    x = 5,645.21

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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.