Home / 8,075.02-11,143.98-5,381.56

Finding the Fourth Proportional to 8,075.02, 11,143.98 and 5,381.56

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Solution

The fourth proportional to 8,075.02, 11,143.98 and 5,381.56 is: 7,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.02 : 11,143.98 = 5,381.56 : x
  2. Step 2: Convert to fraction form
    8,075.02/11,143.98 = 5,381.56/x
  3. Step 3: Cross multiply
    8,075.02x = 11,143.98 × 5,381.56
  4. Step 4: Simplify right side
    8,075.02x = 59,971,997.01
  5. Step 5: Solve for x
    x = 59,971,997.01/8,075.02
  6. Step 6: Final answer
    x = 7,426.85

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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.