Home / 8,979.45-13,467.44-5,277.35

Finding the Fourth Proportional to 8,979.45, 13,467.44 and 5,277.35

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Solution

The fourth proportional to 8,979.45, 13,467.44 and 5,277.35 is: 7,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.45 : 13,467.44 = 5,277.35 : x
  2. Step 2: Convert to fraction form
    8,979.45/13,467.44 = 5,277.35/x
  3. Step 3: Cross multiply
    8,979.45x = 13,467.44 × 5,277.35
  4. Step 4: Simplify right side
    8,979.45x = 71,072,394.48
  5. Step 5: Solve for x
    x = 71,072,394.48/8,979.45
  6. Step 6: Final answer
    x = 7,915.01

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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.