Home / 28,361.11-42,538.41-7,586.23

Finding the Fourth Proportional to 28,361.11, 42,538.41 and 7,586.23

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Solution

The fourth proportional to 28,361.11, 42,538.41 and 7,586.23 is: 11,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.11 : 42,538.41 = 7,586.23 : x
  2. Step 2: Convert to fraction form
    28,361.11/42,538.41 = 7,586.23/x
  3. Step 3: Cross multiply
    28,361.11x = 42,538.41 × 7,586.23
  4. Step 4: Simplify right side
    28,361.11x = 322,706,162.09
  5. Step 5: Solve for x
    x = 322,706,162.09/28,361.11
  6. Step 6: Final answer
    x = 11,378.47

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Double scale
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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.