Home / 7,868.50-11,804.78-2,938.17

Finding the Fourth Proportional to 7,868.50, 11,804.78 and 2,938.17

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Solution

The fourth proportional to 7,868.50, 11,804.78 and 2,938.17 is: 4,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.50 : 11,804.78 = 2,938.17 : x
  2. Step 2: Convert to fraction form
    7,868.50/11,804.78 = 2,938.17/x
  3. Step 3: Cross multiply
    7,868.50x = 11,804.78 × 2,938.17
  4. Step 4: Simplify right side
    7,868.50x = 34,684,465.27
  5. Step 5: Solve for x
    x = 34,684,465.27/7,868.50
  6. Step 6: Final answer
    x = 4,408.01

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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.