Home / 12,276.12-16,941.17-6,971.05

Finding the Fourth Proportional to 12,276.12, 16,941.17 and 6,971.05

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Solution

The fourth proportional to 12,276.12, 16,941.17 and 6,971.05 is: 9,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.12 : 16,941.17 = 6,971.05 : x
  2. Step 2: Convert to fraction form
    12,276.12/16,941.17 = 6,971.05/x
  3. Step 3: Cross multiply
    12,276.12x = 16,941.17 × 6,971.05
  4. Step 4: Simplify right side
    12,276.12x = 118,097,665.92
  5. Step 5: Solve for x
    x = 118,097,665.92/12,276.12
  6. Step 6: Final answer
    x = 9,620.11

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Double scale
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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.