Home / 12,293.36-16,966.27-6,988.97

Finding the Fourth Proportional to 12,293.36, 16,966.27 and 6,988.97

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Solution

The fourth proportional to 12,293.36, 16,966.27 and 6,988.97 is: 9,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.36 : 16,966.27 = 6,988.97 : x
  2. Step 2: Convert to fraction form
    12,293.36/16,966.27 = 6,988.97/x
  3. Step 3: Cross multiply
    12,293.36x = 16,966.27 × 6,988.97
  4. Step 4: Simplify right side
    12,293.36x = 118,576,752.04
  5. Step 5: Solve for x
    x = 118,576,752.04/12,293.36
  6. Step 6: Final answer
    x = 9,645.59

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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.