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Finding the Fourth Proportional to 11,237.31, 16,866.31 and 5,694.51

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Solution

The fourth proportional to 11,237.31, 16,866.31 and 5,694.51 is: 8,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.31 : 16,866.31 = 5,694.51 : x
  2. Step 2: Convert to fraction form
    11,237.31/16,866.31 = 5,694.51/x
  3. Step 3: Cross multiply
    11,237.31x = 16,866.31 × 5,694.51
  4. Step 4: Simplify right side
    11,237.31x = 96,045,370.96
  5. Step 5: Solve for x
    x = 96,045,370.96/11,237.31
  6. Step 6: Final answer
    x = 8,547.01

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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.