Home / 7,979.72-11,004.66-5,465.48

Finding the Fourth Proportional to 7,979.72, 11,004.66 and 5,465.48

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Solution

The fourth proportional to 7,979.72, 11,004.66 and 5,465.48 is: 7,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.72 : 11,004.66 = 5,465.48 : x
  2. Step 2: Convert to fraction form
    7,979.72/11,004.66 = 5,465.48/x
  3. Step 3: Cross multiply
    7,979.72x = 11,004.66 × 5,465.48
  4. Step 4: Simplify right side
    7,979.72x = 60,145,694.11
  5. Step 5: Solve for x
    x = 60,145,694.11/7,979.72
  6. Step 6: Final answer
    x = 7,537.32

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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.