Home / 11,856.06-16,360.65-6,550.76

Finding the Fourth Proportional to 11,856.06, 16,360.65 and 6,550.76

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Solution

The fourth proportional to 11,856.06, 16,360.65 and 6,550.76 is: 9,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.06 : 16,360.65 = 6,550.76 : x
  2. Step 2: Convert to fraction form
    11,856.06/16,360.65 = 6,550.76/x
  3. Step 3: Cross multiply
    11,856.06x = 16,360.65 × 6,550.76
  4. Step 4: Simplify right side
    11,856.06x = 107,174,732.50
  5. Step 5: Solve for x
    x = 107,174,732.50/11,856.06
  6. Step 6: Final answer
    x = 9,039.66

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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.