Home / 25,846.10-38,769.39-7,126.46

Finding the Fourth Proportional to 25,846.10, 38,769.39 and 7,126.46

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Solution

The fourth proportional to 25,846.10, 38,769.39 and 7,126.46 is: 10,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,846.10 : 38,769.39 = 7,126.46 : x
  2. Step 2: Convert to fraction form
    25,846.10/38,769.39 = 7,126.46/x
  3. Step 3: Cross multiply
    25,846.10x = 38,769.39 × 7,126.46
  4. Step 4: Simplify right side
    25,846.10x = 276,288,507.06
  5. Step 5: Solve for x
    x = 276,288,507.06/25,846.10
  6. Step 6: Final answer
    x = 10,689.76

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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.