Home / 11,269.70-15,535.70-7,902.36

Finding the Fourth Proportional to 11,269.70, 15,535.70 and 7,902.36

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Solution

The fourth proportional to 11,269.70, 15,535.70 and 7,902.36 is: 10,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.70 : 15,535.70 = 7,902.36 : x
  2. Step 2: Convert to fraction form
    11,269.70/15,535.70 = 7,902.36/x
  3. Step 3: Cross multiply
    11,269.70x = 15,535.70 × 7,902.36
  4. Step 4: Simplify right side
    11,269.70x = 122,768,694.25
  5. Step 5: Solve for x
    x = 122,768,694.25/11,269.70
  6. Step 6: Final answer
    x = 10,893.70

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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.