Home / 11,616.51-17,426.87-4,231.34

Finding the Fourth Proportional to 11,616.51, 17,426.87 and 4,231.34

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Solution

The fourth proportional to 11,616.51, 17,426.87 and 4,231.34 is: 6,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.51 : 17,426.87 = 4,231.34 : x
  2. Step 2: Convert to fraction form
    11,616.51/17,426.87 = 4,231.34/x
  3. Step 3: Cross multiply
    11,616.51x = 17,426.87 × 4,231.34
  4. Step 4: Simplify right side
    11,616.51x = 73,738,903.81
  5. Step 5: Solve for x
    x = 73,738,903.81/11,616.51
  6. Step 6: Final answer
    x = 6,347.77

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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.