Home / 8,684.32-11,971.92-6,196

Finding the Fourth Proportional to 8,684.32, 11,971.92 and 6,196

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Solution

The fourth proportional to 8,684.32, 11,971.92 and 6,196 is: 8,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.32 : 11,971.92 = 6,196 : x
  2. Step 2: Convert to fraction form
    8,684.32/11,971.92 = 6,196/x
  3. Step 3: Cross multiply
    8,684.32x = 11,971.92 × 6,196
  4. Step 4: Simplify right side
    8,684.32x = 74,178,016.32
  5. Step 5: Solve for x
    x = 74,178,016.32/8,684.32
  6. Step 6: Final answer
    x = 8,541.60

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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.