Home / 11,231.68-16,866.36-10,784.72

Finding the Fourth Proportional to 11,231.68, 16,866.36 and 10,784.72

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Solution

The fourth proportional to 11,231.68, 16,866.36 and 10,784.72 is: 16,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.68 : 16,866.36 = 10,784.72 : x
  2. Step 2: Convert to fraction form
    11,231.68/16,866.36 = 10,784.72/x
  3. Step 3: Cross multiply
    11,231.68x = 16,866.36 × 10,784.72
  4. Step 4: Simplify right side
    11,231.68x = 181,898,970.02
  5. Step 5: Solve for x
    x = 181,898,970.02/11,231.68
  6. Step 6: Final answer
    x = 16,195.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.