Home / 10,413.04-15,619.36-3,017.20

Finding the Fourth Proportional to 10,413.04, 15,619.36 and 3,017.20

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Solution

The fourth proportional to 10,413.04, 15,619.36 and 3,017.20 is: 4,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.04 : 15,619.36 = 3,017.20 : x
  2. Step 2: Convert to fraction form
    10,413.04/15,619.36 = 3,017.20/x
  3. Step 3: Cross multiply
    10,413.04x = 15,619.36 × 3,017.20
  4. Step 4: Simplify right side
    10,413.04x = 47,126,732.99
  5. Step 5: Solve for x
    x = 47,126,732.99/10,413.04
  6. Step 6: Final answer
    x = 4,525.74

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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.