Home / 10,413.36-15,618.30-4,568.40

Finding the Fourth Proportional to 10,413.36, 15,618.30 and 4,568.40

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Solution

The fourth proportional to 10,413.36, 15,618.30 and 4,568.40 is: 6,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.36 : 15,618.30 = 4,568.40 : x
  2. Step 2: Convert to fraction form
    10,413.36/15,618.30 = 4,568.40/x
  3. Step 3: Cross multiply
    10,413.36x = 15,618.30 × 4,568.40
  4. Step 4: Simplify right side
    10,413.36x = 71,350,641.72
  5. Step 5: Solve for x
    x = 71,350,641.72/10,413.36
  6. Step 6: Final answer
    x = 6,851.84

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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.