Home / 10,903.82-15,047.07-6,123.80

Finding the Fourth Proportional to 10,903.82, 15,047.07 and 6,123.80

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Solution

The fourth proportional to 10,903.82, 15,047.07 and 6,123.80 is: 8,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.82 : 15,047.07 = 6,123.80 : x
  2. Step 2: Convert to fraction form
    10,903.82/15,047.07 = 6,123.80/x
  3. Step 3: Cross multiply
    10,903.82x = 15,047.07 × 6,123.80
  4. Step 4: Simplify right side
    10,903.82x = 92,145,172.03
  5. Step 5: Solve for x
    x = 92,145,172.03/10,903.82
  6. Step 6: Final answer
    x = 8,450.73

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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.