Home / 6,777.19-10,176.11-6,443.07

Finding the Fourth Proportional to 6,777.19, 10,176.11 and 6,443.07

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Solution

The fourth proportional to 6,777.19, 10,176.11 and 6,443.07 is: 9,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.19 : 10,176.11 = 6,443.07 : x
  2. Step 2: Convert to fraction form
    6,777.19/10,176.11 = 6,443.07/x
  3. Step 3: Cross multiply
    6,777.19x = 10,176.11 × 6,443.07
  4. Step 4: Simplify right side
    6,777.19x = 65,565,389.06
  5. Step 5: Solve for x
    x = 65,565,389.06/6,777.19
  6. Step 6: Final answer
    x = 9,674.42

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Similar ratio
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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.