Home / 10,091.33-15,135.21-3,069.65

Finding the Fourth Proportional to 10,091.33, 15,135.21 and 3,069.65

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Solution

The fourth proportional to 10,091.33, 15,135.21 and 3,069.65 is: 4,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.33 : 15,135.21 = 3,069.65 : x
  2. Step 2: Convert to fraction form
    10,091.33/15,135.21 = 3,069.65/x
  3. Step 3: Cross multiply
    10,091.33x = 15,135.21 × 3,069.65
  4. Step 4: Simplify right side
    10,091.33x = 46,459,721.70
  5. Step 5: Solve for x
    x = 46,459,721.70/10,091.33
  6. Step 6: Final answer
    x = 4,603.92

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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.