Home / 11,856.98-16,362.81-6,551.69

Finding the Fourth Proportional to 11,856.98, 16,362.81 and 6,551.69

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Solution

The fourth proportional to 11,856.98, 16,362.81 and 6,551.69 is: 9,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.98 : 16,362.81 = 6,551.69 : x
  2. Step 2: Convert to fraction form
    11,856.98/16,362.81 = 6,551.69/x
  3. Step 3: Cross multiply
    11,856.98x = 16,362.81 × 6,551.69
  4. Step 4: Simplify right side
    11,856.98x = 107,203,976.83
  5. Step 5: Solve for x
    x = 107,203,976.83/11,856.98
  6. Step 6: Final answer
    x = 9,041.42

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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.