Home / 8,632.48-12,951.60-3,436.96

Finding the Fourth Proportional to 8,632.48, 12,951.60 and 3,436.96

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Solution

The fourth proportional to 8,632.48, 12,951.60 and 3,436.96 is: 5,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.48 : 12,951.60 = 3,436.96 : x
  2. Step 2: Convert to fraction form
    8,632.48/12,951.60 = 3,436.96/x
  3. Step 3: Cross multiply
    8,632.48x = 12,951.60 × 3,436.96
  4. Step 4: Simplify right side
    8,632.48x = 44,514,131.14
  5. Step 5: Solve for x
    x = 44,514,131.14/8,632.48
  6. Step 6: Final answer
    x = 5,156.59

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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.