Home / 10,889.57-16,327.34-4,653.65

Finding the Fourth Proportional to 10,889.57, 16,327.34 and 4,653.65

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Solution

The fourth proportional to 10,889.57, 16,327.34 and 4,653.65 is: 6,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.57 : 16,327.34 = 4,653.65 : x
  2. Step 2: Convert to fraction form
    10,889.57/16,327.34 = 4,653.65/x
  3. Step 3: Cross multiply
    10,889.57x = 16,327.34 × 4,653.65
  4. Step 4: Simplify right side
    10,889.57x = 75,981,702.52
  5. Step 5: Solve for x
    x = 75,981,702.52/10,889.57
  6. Step 6: Final answer
    x = 6,977.48

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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.