Home / 9,450.30-13,040.90-5,200.68

Finding the Fourth Proportional to 9,450.30, 13,040.90 and 5,200.68

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Solution

The fourth proportional to 9,450.30, 13,040.90 and 5,200.68 is: 7,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.30 : 13,040.90 = 5,200.68 : x
  2. Step 2: Convert to fraction form
    9,450.30/13,040.90 = 5,200.68/x
  3. Step 3: Cross multiply
    9,450.30x = 13,040.90 × 5,200.68
  4. Step 4: Simplify right side
    9,450.30x = 67,821,521.81
  5. Step 5: Solve for x
    x = 67,821,521.81/9,450.30
  6. Step 6: Final answer
    x = 7,176.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.