Home / 12,116.68-16,713.24-7,636.60

Finding the Fourth Proportional to 12,116.68, 16,713.24 and 7,636.60

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Solution

The fourth proportional to 12,116.68, 16,713.24 and 7,636.60 is: 10,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.68 : 16,713.24 = 7,636.60 : x
  2. Step 2: Convert to fraction form
    12,116.68/16,713.24 = 7,636.60/x
  3. Step 3: Cross multiply
    12,116.68x = 16,713.24 × 7,636.60
  4. Step 4: Simplify right side
    12,116.68x = 127,632,328.58
  5. Step 5: Solve for x
    x = 127,632,328.58/12,116.68
  6. Step 6: Final answer
    x = 10,533.61

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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.