Home / 8,275.74-12,413.58-3,345.32

Finding the Fourth Proportional to 8,275.74, 12,413.58 and 3,345.32

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Solution

The fourth proportional to 8,275.74, 12,413.58 and 3,345.32 is: 5,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.74 : 12,413.58 = 3,345.32 : x
  2. Step 2: Convert to fraction form
    8,275.74/12,413.58 = 3,345.32/x
  3. Step 3: Cross multiply
    8,275.74x = 12,413.58 × 3,345.32
  4. Step 4: Simplify right side
    8,275.74x = 41,527,397.45
  5. Step 5: Solve for x
    x = 41,527,397.45/8,275.74
  6. Step 6: Final answer
    x = 5,017.97

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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.