Home / 8,684.93-11,985.27-4,706.12

Finding the Fourth Proportional to 8,684.93, 11,985.27 and 4,706.12

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Solution

The fourth proportional to 8,684.93, 11,985.27 and 4,706.12 is: 6,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.93 : 11,985.27 = 4,706.12 : x
  2. Step 2: Convert to fraction form
    8,684.93/11,985.27 = 4,706.12/x
  3. Step 3: Cross multiply
    8,684.93x = 11,985.27 × 4,706.12
  4. Step 4: Simplify right side
    8,684.93x = 56,404,118.85
  5. Step 5: Solve for x
    x = 56,404,118.85/8,684.93
  6. Step 6: Final answer
    x = 6,494.48

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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.