Home / 7,487.18-11,185.27-5,361.95

Finding the Fourth Proportional to 7,487.18, 11,185.27 and 5,361.95

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Solution

The fourth proportional to 7,487.18, 11,185.27 and 5,361.95 is: 8,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.18 : 11,185.27 = 5,361.95 : x
  2. Step 2: Convert to fraction form
    7,487.18/11,185.27 = 5,361.95/x
  3. Step 3: Cross multiply
    7,487.18x = 11,185.27 × 5,361.95
  4. Step 4: Simplify right side
    7,487.18x = 59,974,858.48
  5. Step 5: Solve for x
    x = 59,974,858.48/7,487.18
  6. Step 6: Final answer
    x = 8,010.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.