Home / 8,529.66-11,685.70-8,210.07

Finding the Fourth Proportional to 8,529.66, 11,685.70 and 8,210.07

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Solution

The fourth proportional to 8,529.66, 11,685.70 and 8,210.07 is: 11,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.66 : 11,685.70 = 8,210.07 : x
  2. Step 2: Convert to fraction form
    8,529.66/11,685.70 = 8,210.07/x
  3. Step 3: Cross multiply
    8,529.66x = 11,685.70 × 8,210.07
  4. Step 4: Simplify right side
    8,529.66x = 95,940,415.00
  5. Step 5: Solve for x
    x = 95,940,415.00/8,529.66
  6. Step 6: Final answer
    x = 11,247.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.