Home / 10,450.79-15,680.28-4,603.30

Finding the Fourth Proportional to 10,450.79, 15,680.28 and 4,603.30

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Solution

The fourth proportional to 10,450.79, 15,680.28 and 4,603.30 is: 6,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.79 : 15,680.28 = 4,603.30 : x
  2. Step 2: Convert to fraction form
    10,450.79/15,680.28 = 4,603.30/x
  3. Step 3: Cross multiply
    10,450.79x = 15,680.28 × 4,603.30
  4. Step 4: Simplify right side
    10,450.79x = 72,181,010.99
  5. Step 5: Solve for x
    x = 72,181,010.99/10,450.79
  6. Step 6: Final answer
    x = 6,906.75

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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.