Home / 7,111.46-10,669.95-2,950.41

Finding the Fourth Proportional to 7,111.46, 10,669.95 and 2,950.41

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Solution

The fourth proportional to 7,111.46, 10,669.95 and 2,950.41 is: 4,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.46 : 10,669.95 = 2,950.41 : x
  2. Step 2: Convert to fraction form
    7,111.46/10,669.95 = 2,950.41/x
  3. Step 3: Cross multiply
    7,111.46x = 10,669.95 × 2,950.41
  4. Step 4: Simplify right side
    7,111.46x = 31,480,727.18
  5. Step 5: Solve for x
    x = 31,480,727.18/7,111.46
  6. Step 6: Final answer
    x = 4,426.76

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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.