Home / 6,815.15-10,172.16-5,874.06

Finding the Fourth Proportional to 6,815.15, 10,172.16 and 5,874.06

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Solution

The fourth proportional to 6,815.15, 10,172.16 and 5,874.06 is: 8,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.15 : 10,172.16 = 5,874.06 : x
  2. Step 2: Convert to fraction form
    6,815.15/10,172.16 = 5,874.06/x
  3. Step 3: Cross multiply
    6,815.15x = 10,172.16 × 5,874.06
  4. Step 4: Simplify right side
    6,815.15x = 59,751,848.80
  5. Step 5: Solve for x
    x = 59,751,848.80/6,815.15
  6. Step 6: Final answer
    x = 8,767.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.