Home / 12,001.14-16,561.55-6,968.31

Finding the Fourth Proportional to 12,001.14, 16,561.55 and 6,968.31

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Solution

The fourth proportional to 12,001.14, 16,561.55 and 6,968.31 is: 9,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.14 : 16,561.55 = 6,968.31 : x
  2. Step 2: Convert to fraction form
    12,001.14/16,561.55 = 6,968.31/x
  3. Step 3: Cross multiply
    12,001.14x = 16,561.55 × 6,968.31
  4. Step 4: Simplify right side
    12,001.14x = 115,405,896.83
  5. Step 5: Solve for x
    x = 115,405,896.83/12,001.14
  6. Step 6: Final answer
    x = 9,616.24

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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.