Home / 7,109.60-9,806.94-4,587.66

Finding the Fourth Proportional to 7,109.60, 9,806.94 and 4,587.66

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Solution

The fourth proportional to 7,109.60, 9,806.94 and 4,587.66 is: 6,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.60 : 9,806.94 = 4,587.66 : x
  2. Step 2: Convert to fraction form
    7,109.60/9,806.94 = 4,587.66/x
  3. Step 3: Cross multiply
    7,109.60x = 9,806.94 × 4,587.66
  4. Step 4: Simplify right side
    7,109.60x = 44,990,906.36
  5. Step 5: Solve for x
    x = 44,990,906.36/7,109.60
  6. Step 6: Final answer
    x = 6,328.20

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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.