Home / 12,308.22-16,984.71-6,718.14

Finding the Fourth Proportional to 12,308.22, 16,984.71 and 6,718.14

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Solution

The fourth proportional to 12,308.22, 16,984.71 and 6,718.14 is: 9,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.22 : 16,984.71 = 6,718.14 : x
  2. Step 2: Convert to fraction form
    12,308.22/16,984.71 = 6,718.14/x
  3. Step 3: Cross multiply
    12,308.22x = 16,984.71 × 6,718.14
  4. Step 4: Simplify right side
    12,308.22x = 114,105,659.64
  5. Step 5: Solve for x
    x = 114,105,659.64/12,308.22
  6. Step 6: Final answer
    x = 9,270.69

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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.