Home / 9,351.31-14,028.38-2,776.67

Finding the Fourth Proportional to 9,351.31, 14,028.38 and 2,776.67

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Solution

The fourth proportional to 9,351.31, 14,028.38 and 2,776.67 is: 4,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.31 : 14,028.38 = 2,776.67 : x
  2. Step 2: Convert to fraction form
    9,351.31/14,028.38 = 2,776.67/x
  3. Step 3: Cross multiply
    9,351.31x = 14,028.38 × 2,776.67
  4. Step 4: Simplify right side
    9,351.31x = 38,952,181.89
  5. Step 5: Solve for x
    x = 38,952,181.89/9,351.31
  6. Step 6: Final answer
    x = 4,165.43

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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.