Home / 7,515.97-10,361.04-5,271.07

Finding the Fourth Proportional to 7,515.97, 10,361.04 and 5,271.07

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Solution

The fourth proportional to 7,515.97, 10,361.04 and 5,271.07 is: 7,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.97 : 10,361.04 = 5,271.07 : x
  2. Step 2: Convert to fraction form
    7,515.97/10,361.04 = 5,271.07/x
  3. Step 3: Cross multiply
    7,515.97x = 10,361.04 × 5,271.07
  4. Step 4: Simplify right side
    7,515.97x = 54,613,767.11
  5. Step 5: Solve for x
    x = 54,613,767.11/7,515.97
  6. Step 6: Final answer
    x = 7,266.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.