Home / 10,413.85-14,371.47-5,698.13

Finding the Fourth Proportional to 10,413.85, 14,371.47 and 5,698.13

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Solution

The fourth proportional to 10,413.85, 14,371.47 and 5,698.13 is: 7,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.85 : 14,371.47 = 5,698.13 : x
  2. Step 2: Convert to fraction form
    10,413.85/14,371.47 = 5,698.13/x
  3. Step 3: Cross multiply
    10,413.85x = 14,371.47 × 5,698.13
  4. Step 4: Simplify right side
    10,413.85x = 81,890,504.35
  5. Step 5: Solve for x
    x = 81,890,504.35/10,413.85
  6. Step 6: Final answer
    x = 7,863.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.