Home / 10,413.92-14,371.14-5,698.28

Finding the Fourth Proportional to 10,413.92, 14,371.14 and 5,698.28

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Solution

The fourth proportional to 10,413.92, 14,371.14 and 5,698.28 is: 7,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.92 : 14,371.14 = 5,698.28 : x
  2. Step 2: Convert to fraction form
    10,413.92/14,371.14 = 5,698.28/x
  3. Step 3: Cross multiply
    10,413.92x = 14,371.14 × 5,698.28
  4. Step 4: Simplify right side
    10,413.92x = 81,890,779.64
  5. Step 5: Solve for x
    x = 81,890,779.64/10,413.92
  6. Step 6: Final answer
    x = 7,863.59

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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.