Home / 8,706.48-12,020.52-6,713.36

Finding the Fourth Proportional to 8,706.48, 12,020.52 and 6,713.36

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Solution

The fourth proportional to 8,706.48, 12,020.52 and 6,713.36 is: 9,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.48 : 12,020.52 = 6,713.36 : x
  2. Step 2: Convert to fraction form
    8,706.48/12,020.52 = 6,713.36/x
  3. Step 3: Cross multiply
    8,706.48x = 12,020.52 × 6,713.36
  4. Step 4: Simplify right side
    8,706.48x = 80,698,078.15
  5. Step 5: Solve for x
    x = 80,698,078.15/8,706.48
  6. Step 6: Final answer
    x = 9,268.74

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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.