Home / 28,397.94-42,596.73-8,676.42

Finding the Fourth Proportional to 28,397.94, 42,596.73 and 8,676.42

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Solution

The fourth proportional to 28,397.94, 42,596.73 and 8,676.42 is: 13,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.94 : 42,596.73 = 8,676.42 : x
  2. Step 2: Convert to fraction form
    28,397.94/42,596.73 = 8,676.42/x
  3. Step 3: Cross multiply
    28,397.94x = 42,596.73 × 8,676.42
  4. Step 4: Simplify right side
    28,397.94x = 369,587,120.11
  5. Step 5: Solve for x
    x = 369,587,120.11/28,397.94
  6. Step 6: Final answer
    x = 13,014.58

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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.