Home / 7,675.16-11,512.73-3,061.40

Finding the Fourth Proportional to 7,675.16, 11,512.73 and 3,061.40

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Solution

The fourth proportional to 7,675.16, 11,512.73 and 3,061.40 is: 4,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.16 : 11,512.73 = 3,061.40 : x
  2. Step 2: Convert to fraction form
    7,675.16/11,512.73 = 3,061.40/x
  3. Step 3: Cross multiply
    7,675.16x = 11,512.73 × 3,061.40
  4. Step 4: Simplify right side
    7,675.16x = 35,245,071.62
  5. Step 5: Solve for x
    x = 35,245,071.62/7,675.16
  6. Step 6: Final answer
    x = 4,592.10

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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.