Home / 10,987.77-16,482.41-4,413.94

Finding the Fourth Proportional to 10,987.77, 16,482.41 and 4,413.94

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Solution

The fourth proportional to 10,987.77, 16,482.41 and 4,413.94 is: 6,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.77 : 16,482.41 = 4,413.94 : x
  2. Step 2: Convert to fraction form
    10,987.77/16,482.41 = 4,413.94/x
  3. Step 3: Cross multiply
    10,987.77x = 16,482.41 × 4,413.94
  4. Step 4: Simplify right side
    10,987.77x = 72,752,368.80
  5. Step 5: Solve for x
    x = 72,752,368.80/10,987.77
  6. Step 6: Final answer
    x = 6,621.21

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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.