Home / 12,161.36-16,784.76-11,607.28

Finding the Fourth Proportional to 12,161.36, 16,784.76 and 11,607.28

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Solution

The fourth proportional to 12,161.36, 16,784.76 and 11,607.28 is: 16,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.36 : 16,784.76 = 11,607.28 : x
  2. Step 2: Convert to fraction form
    12,161.36/16,784.76 = 11,607.28/x
  3. Step 3: Cross multiply
    12,161.36x = 16,784.76 × 11,607.28
  4. Step 4: Simplify right side
    12,161.36x = 194,825,409.05
  5. Step 5: Solve for x
    x = 194,825,409.05/12,161.36
  6. Step 6: Final answer
    x = 16,020.03

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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.