Home / 9,450.78-14,175.65-2,876.45

Finding the Fourth Proportional to 9,450.78, 14,175.65 and 2,876.45

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Solution

The fourth proportional to 9,450.78, 14,175.65 and 2,876.45 is: 4,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.78 : 14,175.65 = 2,876.45 : x
  2. Step 2: Convert to fraction form
    9,450.78/14,175.65 = 2,876.45/x
  3. Step 3: Cross multiply
    9,450.78x = 14,175.65 × 2,876.45
  4. Step 4: Simplify right side
    9,450.78x = 40,775,463.18
  5. Step 5: Solve for x
    x = 40,775,463.18/9,450.78
  6. Step 6: Final answer
    x = 4,314.51

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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.