Home / 8,979.72-13,467.08-5,370.95

Finding the Fourth Proportional to 8,979.72, 13,467.08 and 5,370.95

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Solution

The fourth proportional to 8,979.72, 13,467.08 and 5,370.95 is: 8,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.72 : 13,467.08 = 5,370.95 : x
  2. Step 2: Convert to fraction form
    8,979.72/13,467.08 = 5,370.95/x
  3. Step 3: Cross multiply
    8,979.72x = 13,467.08 × 5,370.95
  4. Step 4: Simplify right side
    8,979.72x = 72,331,013.33
  5. Step 5: Solve for x
    x = 72,331,013.33/8,979.72
  6. Step 6: Final answer
    x = 8,054.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.