Home / 10,075.32-15,114.13-2,680.08

Finding the Fourth Proportional to 10,075.32, 15,114.13 and 2,680.08

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Solution

The fourth proportional to 10,075.32, 15,114.13 and 2,680.08 is: 4,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.32 : 15,114.13 = 2,680.08 : x
  2. Step 2: Convert to fraction form
    10,075.32/15,114.13 = 2,680.08/x
  3. Step 3: Cross multiply
    10,075.32x = 15,114.13 × 2,680.08
  4. Step 4: Simplify right side
    10,075.32x = 40,507,077.53
  5. Step 5: Solve for x
    x = 40,507,077.53/10,075.32
  6. Step 6: Final answer
    x = 4,020.43

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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.