Home / 10,904.56-15,047.72-6,190.36

Finding the Fourth Proportional to 10,904.56, 15,047.72 and 6,190.36

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Solution

The fourth proportional to 10,904.56, 15,047.72 and 6,190.36 is: 8,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.56 : 15,047.72 = 6,190.36 : x
  2. Step 2: Convert to fraction form
    10,904.56/15,047.72 = 6,190.36/x
  3. Step 3: Cross multiply
    10,904.56x = 15,047.72 × 6,190.36
  4. Step 4: Simplify right side
    10,904.56x = 93,150,803.98
  5. Step 5: Solve for x
    x = 93,150,803.98/10,904.56
  6. Step 6: Final answer
    x = 8,542.37

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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.