Home / 8,368.48-12,537.42-3,917.98

Finding the Fourth Proportional to 8,368.48, 12,537.42 and 3,917.98

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Solution

The fourth proportional to 8,368.48, 12,537.42 and 3,917.98 is: 5,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.48 : 12,537.42 = 3,917.98 : x
  2. Step 2: Convert to fraction form
    8,368.48/12,537.42 = 3,917.98/x
  3. Step 3: Cross multiply
    8,368.48x = 12,537.42 × 3,917.98
  4. Step 4: Simplify right side
    8,368.48x = 49,121,360.81
  5. Step 5: Solve for x
    x = 49,121,360.81/8,368.48
  6. Step 6: Final answer
    x = 5,869.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.