Home / 8,623.46-12,937.57-3,432.98

Finding the Fourth Proportional to 8,623.46, 12,937.57 and 3,432.98

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Solution

The fourth proportional to 8,623.46, 12,937.57 and 3,432.98 is: 5,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.46 : 12,937.57 = 3,432.98 : x
  2. Step 2: Convert to fraction form
    8,623.46/12,937.57 = 3,432.98/x
  3. Step 3: Cross multiply
    8,623.46x = 12,937.57 × 3,432.98
  4. Step 4: Simplify right side
    8,623.46x = 44,414,345.79
  5. Step 5: Solve for x
    x = 44,414,345.79/8,623.46
  6. Step 6: Final answer
    x = 5,150.41

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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.