Home / 12,018.17-16,584.97-6,985.33

Finding the Fourth Proportional to 12,018.17, 16,584.97 and 6,985.33

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Solution

The fourth proportional to 12,018.17, 16,584.97 and 6,985.33 is: 9,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.17 : 16,584.97 = 6,985.33 : x
  2. Step 2: Convert to fraction form
    12,018.17/16,584.97 = 6,985.33/x
  3. Step 3: Cross multiply
    12,018.17x = 16,584.97 × 6,985.33
  4. Step 4: Simplify right side
    12,018.17x = 115,851,488.49
  5. Step 5: Solve for x
    x = 115,851,488.49/12,018.17
  6. Step 6: Final answer
    x = 9,639.69

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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.