Home / 12,276.60-16,957.26-9,516.12

Finding the Fourth Proportional to 12,276.60, 16,957.26 and 9,516.12

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Solution

The fourth proportional to 12,276.60, 16,957.26 and 9,516.12 is: 13,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.60 : 16,957.26 = 9,516.12 : x
  2. Step 2: Convert to fraction form
    12,276.60/16,957.26 = 9,516.12/x
  3. Step 3: Cross multiply
    12,276.60x = 16,957.26 × 9,516.12
  4. Step 4: Simplify right side
    12,276.60x = 161,367,321.03
  5. Step 5: Solve for x
    x = 161,367,321.03/12,276.60
  6. Step 6: Final answer
    x = 13,144.30

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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.