Home / 11,370.96-17,075.60-7,428.96

Finding the Fourth Proportional to 11,370.96, 17,075.60 and 7,428.96

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Solution

The fourth proportional to 11,370.96, 17,075.60 and 7,428.96 is: 11,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.96 : 17,075.60 = 7,428.96 : x
  2. Step 2: Convert to fraction form
    11,370.96/17,075.60 = 7,428.96/x
  3. Step 3: Cross multiply
    11,370.96x = 17,075.60 × 7,428.96
  4. Step 4: Simplify right side
    11,370.96x = 126,853,912.23
  5. Step 5: Solve for x
    x = 126,853,912.23/11,370.96
  6. Step 6: Final answer
    x = 11,155.95

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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.