Home / 7,801.16-11,706.36-2,874.25

Finding the Fourth Proportional to 7,801.16, 11,706.36 and 2,874.25

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Solution

The fourth proportional to 7,801.16, 11,706.36 and 2,874.25 is: 4,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.16 : 11,706.36 = 2,874.25 : x
  2. Step 2: Convert to fraction form
    7,801.16/11,706.36 = 2,874.25/x
  3. Step 3: Cross multiply
    7,801.16x = 11,706.36 × 2,874.25
  4. Step 4: Simplify right side
    7,801.16x = 33,646,990.86
  5. Step 5: Solve for x
    x = 33,646,990.86/7,801.16
  6. Step 6: Final answer
    x = 4,313.08

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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.