Home / 12,089.19-16,699.90-11,498.03

Finding the Fourth Proportional to 12,089.19, 16,699.90 and 11,498.03

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Solution

The fourth proportional to 12,089.19, 16,699.90 and 11,498.03 is: 15,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.19 : 16,699.90 = 11,498.03 : x
  2. Step 2: Convert to fraction form
    12,089.19/16,699.90 = 11,498.03/x
  3. Step 3: Cross multiply
    12,089.19x = 16,699.90 × 11,498.03
  4. Step 4: Simplify right side
    12,089.19x = 192,015,944.69
  5. Step 5: Solve for x
    x = 192,015,944.69/12,089.19
  6. Step 6: Final answer
    x = 15,883.28

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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.