Home / 17,611.15-26,413.91-6,515.31

Finding the Fourth Proportional to 17,611.15, 26,413.91 and 6,515.31

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Solution

The fourth proportional to 17,611.15, 26,413.91 and 6,515.31 is: 9,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.15 : 26,413.91 = 6,515.31 : x
  2. Step 2: Convert to fraction form
    17,611.15/26,413.91 = 6,515.31/x
  3. Step 3: Cross multiply
    17,611.15x = 26,413.91 × 6,515.31
  4. Step 4: Simplify right side
    17,611.15x = 172,094,779.39
  5. Step 5: Solve for x
    x = 172,094,779.39/17,611.15
  6. Step 6: Final answer
    x = 9,771.92

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1.5x scale

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.