Home / 11,966.33-16,496.42-8,418.53

Finding the Fourth Proportional to 11,966.33, 16,496.42 and 8,418.53

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Solution

The fourth proportional to 11,966.33, 16,496.42 and 8,418.53 is: 11,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.33 : 16,496.42 = 8,418.53 : x
  2. Step 2: Convert to fraction form
    11,966.33/16,496.42 = 8,418.53/x
  3. Step 3: Cross multiply
    11,966.33x = 16,496.42 × 8,418.53
  4. Step 4: Simplify right side
    11,966.33x = 138,875,482.09
  5. Step 5: Solve for x
    x = 138,875,482.09/11,966.33
  6. Step 6: Final answer
    x = 11,605.52

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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.