Home / 7,923.17-11,880.12-2,993.15

Finding the Fourth Proportional to 7,923.17, 11,880.12 and 2,993.15

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Solution

The fourth proportional to 7,923.17, 11,880.12 and 2,993.15 is: 4,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.17 : 11,880.12 = 2,993.15 : x
  2. Step 2: Convert to fraction form
    7,923.17/11,880.12 = 2,993.15/x
  3. Step 3: Cross multiply
    7,923.17x = 11,880.12 × 2,993.15
  4. Step 4: Simplify right side
    7,923.17x = 35,559,005.27
  5. Step 5: Solve for x
    x = 35,559,005.27/7,923.17
  6. Step 6: Final answer
    x = 4,487.98

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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.