Home / 34,157.40-51,240.87-9,198.26

Finding the Fourth Proportional to 34,157.40, 51,240.87 and 9,198.26

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Solution

The fourth proportional to 34,157.40, 51,240.87 and 9,198.26 is: 13,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.40 : 51,240.87 = 9,198.26 : x
  2. Step 2: Convert to fraction form
    34,157.40/51,240.87 = 9,198.26/x
  3. Step 3: Cross multiply
    34,157.40x = 51,240.87 × 9,198.26
  4. Step 4: Simplify right side
    34,157.40x = 471,326,780.84
  5. Step 5: Solve for x
    x = 471,326,780.84/34,157.40
  6. Step 6: Final answer
    x = 13,798.67

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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.