Home / 9,841.35-13,585.90-6,818.76

Finding the Fourth Proportional to 9,841.35, 13,585.90 and 6,818.76

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Solution

The fourth proportional to 9,841.35, 13,585.90 and 6,818.76 is: 9,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.35 : 13,585.90 = 6,818.76 : x
  2. Step 2: Convert to fraction form
    9,841.35/13,585.90 = 6,818.76/x
  3. Step 3: Cross multiply
    9,841.35x = 13,585.90 × 6,818.76
  4. Step 4: Simplify right side
    9,841.35x = 92,638,974.57
  5. Step 5: Solve for x
    x = 92,638,974.57/9,841.35
  6. Step 6: Final answer
    x = 9,413.24

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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.