Home / 8,706.10-12,014.44-4,727.21

Finding the Fourth Proportional to 8,706.10, 12,014.44 and 4,727.21

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Solution

The fourth proportional to 8,706.10, 12,014.44 and 4,727.21 is: 6,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.10 : 12,014.44 = 4,727.21 : x
  2. Step 2: Convert to fraction form
    8,706.10/12,014.44 = 4,727.21/x
  3. Step 3: Cross multiply
    8,706.10x = 12,014.44 × 4,727.21
  4. Step 4: Simplify right side
    8,706.10x = 56,794,780.91
  5. Step 5: Solve for x
    x = 56,794,780.91/8,706.10
  6. Step 6: Final answer
    x = 6,523.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.