Home / 12,017.75-16,583.19-7,171.58

Finding the Fourth Proportional to 12,017.75, 16,583.19 and 7,171.58

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Solution

The fourth proportional to 12,017.75, 16,583.19 and 7,171.58 is: 9,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.75 : 16,583.19 = 7,171.58 : x
  2. Step 2: Convert to fraction form
    12,017.75/16,583.19 = 7,171.58/x
  3. Step 3: Cross multiply
    12,017.75x = 16,583.19 × 7,171.58
  4. Step 4: Simplify right side
    12,017.75x = 118,927,596.42
  5. Step 5: Solve for x
    x = 118,927,596.42/12,017.75
  6. Step 6: Final answer
    x = 9,896.00

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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.