Home / 8,270.32-11,413.29-4,685.23

Finding the Fourth Proportional to 8,270.32, 11,413.29 and 4,685.23

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Solution

The fourth proportional to 8,270.32, 11,413.29 and 4,685.23 is: 6,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.32 : 11,413.29 = 4,685.23 : x
  2. Step 2: Convert to fraction form
    8,270.32/11,413.29 = 4,685.23/x
  3. Step 3: Cross multiply
    8,270.32x = 11,413.29 × 4,685.23
  4. Step 4: Simplify right side
    8,270.32x = 53,473,888.71
  5. Step 5: Solve for x
    x = 53,473,888.71/8,270.32
  6. Step 6: Final answer
    x = 6,465.76

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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.