Home / 8,975.73-13,455.28-3,975.44

Finding the Fourth Proportional to 8,975.73, 13,455.28 and 3,975.44

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Solution

The fourth proportional to 8,975.73, 13,455.28 and 3,975.44 is: 5,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.73 : 13,455.28 = 3,975.44 : x
  2. Step 2: Convert to fraction form
    8,975.73/13,455.28 = 3,975.44/x
  3. Step 3: Cross multiply
    8,975.73x = 13,455.28 × 3,975.44
  4. Step 4: Simplify right side
    8,975.73x = 53,490,682.02
  5. Step 5: Solve for x
    x = 53,490,682.02/8,975.73
  6. Step 6: Final answer
    x = 5,959.48

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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.