Home / 8,200.67-11,316.53-4,663.81

Finding the Fourth Proportional to 8,200.67, 11,316.53 and 4,663.81

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Solution

The fourth proportional to 8,200.67, 11,316.53 and 4,663.81 is: 6,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.67 : 11,316.53 = 4,663.81 : x
  2. Step 2: Convert to fraction form
    8,200.67/11,316.53 = 4,663.81/x
  3. Step 3: Cross multiply
    8,200.67x = 11,316.53 × 4,663.81
  4. Step 4: Simplify right side
    8,200.67x = 52,778,065.88
  5. Step 5: Solve for x
    x = 52,778,065.88/8,200.67
  6. Step 6: Final answer
    x = 6,435.82

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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.