Home / 10,282.05-15,413.63-3,706.64

Finding the Fourth Proportional to 10,282.05, 15,413.63 and 3,706.64

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Solution

The fourth proportional to 10,282.05, 15,413.63 and 3,706.64 is: 5,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.05 : 15,413.63 = 3,706.64 : x
  2. Step 2: Convert to fraction form
    10,282.05/15,413.63 = 3,706.64/x
  3. Step 3: Cross multiply
    10,282.05x = 15,413.63 × 3,706.64
  4. Step 4: Simplify right side
    10,282.05x = 57,132,681.90
  5. Step 5: Solve for x
    x = 57,132,681.90/10,282.05
  6. Step 6: Final answer
    x = 5,556.55

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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.