Home / 11,381.28-17,075.36-4,808

Finding the Fourth Proportional to 11,381.28, 17,075.36 and 4,808

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Solution

The fourth proportional to 11,381.28, 17,075.36 and 4,808 is: 7,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.28 : 17,075.36 = 4,808 : x
  2. Step 2: Convert to fraction form
    11,381.28/17,075.36 = 4,808/x
  3. Step 3: Cross multiply
    11,381.28x = 17,075.36 × 4,808
  4. Step 4: Simplify right side
    11,381.28x = 82,098,330.88
  5. Step 5: Solve for x
    x = 82,098,330.88/11,381.28
  6. Step 6: Final answer
    x = 7,213.45

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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.