Home / 26,531.02-39,782.83-7,808.62

Finding the Fourth Proportional to 26,531.02, 39,782.83 and 7,808.62

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Solution

The fourth proportional to 26,531.02, 39,782.83 and 7,808.62 is: 11,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.02 : 39,782.83 = 7,808.62 : x
  2. Step 2: Convert to fraction form
    26,531.02/39,782.83 = 7,808.62/x
  3. Step 3: Cross multiply
    26,531.02x = 39,782.83 × 7,808.62
  4. Step 4: Simplify right side
    26,531.02x = 310,649,001.99
  5. Step 5: Solve for x
    x = 310,649,001.99/26,531.02
  6. Step 6: Final answer
    x = 11,708.90

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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.