Home / 7,347.46-11,012.98-3,190.95

Finding the Fourth Proportional to 7,347.46, 11,012.98 and 3,190.95

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Solution

The fourth proportional to 7,347.46, 11,012.98 and 3,190.95 is: 4,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.46 : 11,012.98 = 3,190.95 : x
  2. Step 2: Convert to fraction form
    7,347.46/11,012.98 = 3,190.95/x
  3. Step 3: Cross multiply
    7,347.46x = 11,012.98 × 3,190.95
  4. Step 4: Simplify right side
    7,347.46x = 35,141,868.53
  5. Step 5: Solve for x
    x = 35,141,868.53/7,347.46
  6. Step 6: Final answer
    x = 4,782.86

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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.