Home / 10,049.55-15,075.36-3,474.21

Finding the Fourth Proportional to 10,049.55, 15,075.36 and 3,474.21

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Solution

The fourth proportional to 10,049.55, 15,075.36 and 3,474.21 is: 5,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.55 : 15,075.36 = 3,474.21 : x
  2. Step 2: Convert to fraction form
    10,049.55/15,075.36 = 3,474.21/x
  3. Step 3: Cross multiply
    10,049.55x = 15,075.36 × 3,474.21
  4. Step 4: Simplify right side
    10,049.55x = 52,374,966.47
  5. Step 5: Solve for x
    x = 52,374,966.47/10,049.55
  6. Step 6: Final answer
    x = 5,211.67

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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.