Home / 9,021.72-12,448.66-5,042.44

Finding the Fourth Proportional to 9,021.72, 12,448.66 and 5,042.44

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Solution

The fourth proportional to 9,021.72, 12,448.66 and 5,042.44 is: 6,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.72 : 12,448.66 = 5,042.44 : x
  2. Step 2: Convert to fraction form
    9,021.72/12,448.66 = 5,042.44/x
  3. Step 3: Cross multiply
    9,021.72x = 12,448.66 × 5,042.44
  4. Step 4: Simplify right side
    9,021.72x = 62,771,621.13
  5. Step 5: Solve for x
    x = 62,771,621.13/9,021.72
  6. Step 6: Final answer
    x = 6,957.83

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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.