Home / 8,156.09-11,252.70-5,637.30

Finding the Fourth Proportional to 8,156.09, 11,252.70 and 5,637.30

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Solution

The fourth proportional to 8,156.09, 11,252.70 and 5,637.30 is: 7,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.09 : 11,252.70 = 5,637.30 : x
  2. Step 2: Convert to fraction form
    8,156.09/11,252.70 = 5,637.30/x
  3. Step 3: Cross multiply
    8,156.09x = 11,252.70 × 5,637.30
  4. Step 4: Simplify right side
    8,156.09x = 63,434,845.71
  5. Step 5: Solve for x
    x = 63,434,845.71/8,156.09
  6. Step 6: Final answer
    x = 7,777.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.