Home / 10,571.37-14,555.29-8,974.70

Finding the Fourth Proportional to 10,571.37, 14,555.29 and 8,974.70

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Solution

The fourth proportional to 10,571.37, 14,555.29 and 8,974.70 is: 12,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.37 : 14,555.29 = 8,974.70 : x
  2. Step 2: Convert to fraction form
    10,571.37/14,555.29 = 8,974.70/x
  3. Step 3: Cross multiply
    10,571.37x = 14,555.29 × 8,974.70
  4. Step 4: Simplify right side
    10,571.37x = 130,629,361.16
  5. Step 5: Solve for x
    x = 130,629,361.16/10,571.37
  6. Step 6: Final answer
    x = 12,356.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.