Home / 10,075.01-15,120.21-5,082.36

Finding the Fourth Proportional to 10,075.01, 15,120.21 and 5,082.36

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Solution

The fourth proportional to 10,075.01, 15,120.21 and 5,082.36 is: 7,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.01 : 15,120.21 = 5,082.36 : x
  2. Step 2: Convert to fraction form
    10,075.01/15,120.21 = 5,082.36/x
  3. Step 3: Cross multiply
    10,075.01x = 15,120.21 × 5,082.36
  4. Step 4: Simplify right side
    10,075.01x = 76,846,350.50
  5. Step 5: Solve for x
    x = 76,846,350.50/10,075.01
  6. Step 6: Final answer
    x = 7,627.43

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1.5x scale

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.