Home / 7,769.86-10,722.66-4,233.16

Finding the Fourth Proportional to 7,769.86, 10,722.66 and 4,233.16

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Solution

The fourth proportional to 7,769.86, 10,722.66 and 4,233.16 is: 5,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.86 : 10,722.66 = 4,233.16 : x
  2. Step 2: Convert to fraction form
    7,769.86/10,722.66 = 4,233.16/x
  3. Step 3: Cross multiply
    7,769.86x = 10,722.66 × 4,233.16
  4. Step 4: Simplify right side
    7,769.86x = 45,390,735.41
  5. Step 5: Solve for x
    x = 45,390,735.41/7,769.86
  6. Step 6: Final answer
    x = 5,841.90

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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.