Home / 11,043.87-15,235.68-7,361.34

Finding the Fourth Proportional to 11,043.87, 15,235.68 and 7,361.34

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Solution

The fourth proportional to 11,043.87, 15,235.68 and 7,361.34 is: 10,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.87 : 15,235.68 = 7,361.34 : x
  2. Step 2: Convert to fraction form
    11,043.87/15,235.68 = 7,361.34/x
  3. Step 3: Cross multiply
    11,043.87x = 15,235.68 × 7,361.34
  4. Step 4: Simplify right side
    11,043.87x = 112,155,020.61
  5. Step 5: Solve for x
    x = 112,155,020.61/11,043.87
  6. Step 6: Final answer
    x = 10,155.41

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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.