Home / 10,075.83-15,114.87-2,680.58

Finding the Fourth Proportional to 10,075.83, 15,114.87 and 2,680.58

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Solution

The fourth proportional to 10,075.83, 15,114.87 and 2,680.58 is: 4,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.83 : 15,114.87 = 2,680.58 : x
  2. Step 2: Convert to fraction form
    10,075.83/15,114.87 = 2,680.58/x
  3. Step 3: Cross multiply
    10,075.83x = 15,114.87 × 2,680.58
  4. Step 4: Simplify right side
    10,075.83x = 40,516,542.65
  5. Step 5: Solve for x
    x = 40,516,542.65/10,075.83
  6. Step 6: Final answer
    x = 4,021.16

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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.