Home / 12,019.73-16,586.29-6,641.94

Finding the Fourth Proportional to 12,019.73, 16,586.29 and 6,641.94

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Solution

The fourth proportional to 12,019.73, 16,586.29 and 6,641.94 is: 9,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.73 : 16,586.29 = 6,641.94 : x
  2. Step 2: Convert to fraction form
    12,019.73/16,586.29 = 6,641.94/x
  3. Step 3: Cross multiply
    12,019.73x = 16,586.29 × 6,641.94
  4. Step 4: Simplify right side
    12,019.73x = 110,165,143.00
  5. Step 5: Solve for x
    x = 110,165,143.00/12,019.73
  6. Step 6: Final answer
    x = 9,165.36

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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.