Home / 11,891.51-16,410.30-6,586.31

Finding the Fourth Proportional to 11,891.51, 16,410.30 and 6,586.31

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Solution

The fourth proportional to 11,891.51, 16,410.30 and 6,586.31 is: 9,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.51 : 16,410.30 = 6,586.31 : x
  2. Step 2: Convert to fraction form
    11,891.51/16,410.30 = 6,586.31/x
  3. Step 3: Cross multiply
    11,891.51x = 16,410.30 × 6,586.31
  4. Step 4: Simplify right side
    11,891.51x = 108,083,339.32
  5. Step 5: Solve for x
    x = 108,083,339.32/11,891.51
  6. Step 6: Final answer
    x = 9,089.12

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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.