Home / 10,075.67-15,113.46-2,680.13

Finding the Fourth Proportional to 10,075.67, 15,113.46 and 2,680.13

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Solution

The fourth proportional to 10,075.67, 15,113.46 and 2,680.13 is: 4,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.67 : 15,113.46 = 2,680.13 : x
  2. Step 2: Convert to fraction form
    10,075.67/15,113.46 = 2,680.13/x
  3. Step 3: Cross multiply
    10,075.67x = 15,113.46 × 2,680.13
  4. Step 4: Simplify right side
    10,075.67x = 40,505,961.98
  5. Step 5: Solve for x
    x = 40,505,961.98/10,075.67
  6. Step 6: Final answer
    x = 4,020.18

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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.