Home / 12,845.93-17,706.17-8,595.47

Finding the Fourth Proportional to 12,845.93, 17,706.17 and 8,595.47

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Solution

The fourth proportional to 12,845.93, 17,706.17 and 8,595.47 is: 11,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.93 : 17,706.17 = 8,595.47 : x
  2. Step 2: Convert to fraction form
    12,845.93/17,706.17 = 8,595.47/x
  3. Step 3: Cross multiply
    12,845.93x = 17,706.17 × 8,595.47
  4. Step 4: Simplify right side
    12,845.93x = 152,192,853.05
  5. Step 5: Solve for x
    x = 152,192,853.05/12,845.93
  6. Step 6: Final answer
    x = 11,847.55

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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.