Home / 9,324.08-12,866.85-5,342.42

Finding the Fourth Proportional to 9,324.08, 12,866.85 and 5,342.42

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Solution

The fourth proportional to 9,324.08, 12,866.85 and 5,342.42 is: 7,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.08 : 12,866.85 = 5,342.42 : x
  2. Step 2: Convert to fraction form
    9,324.08/12,866.85 = 5,342.42/x
  3. Step 3: Cross multiply
    9,324.08x = 12,866.85 × 5,342.42
  4. Step 4: Simplify right side
    9,324.08x = 68,740,148.94
  5. Step 5: Solve for x
    x = 68,740,148.94/9,324.08
  6. Step 6: Final answer
    x = 7,372.33

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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.