Home / 6,777.12-10,171.76-5,673.45

Finding the Fourth Proportional to 6,777.12, 10,171.76 and 5,673.45

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Solution

The fourth proportional to 6,777.12, 10,171.76 and 5,673.45 is: 8,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.12 : 10,171.76 = 5,673.45 : x
  2. Step 2: Convert to fraction form
    6,777.12/10,171.76 = 5,673.45/x
  3. Step 3: Cross multiply
    6,777.12x = 10,171.76 × 5,673.45
  4. Step 4: Simplify right side
    6,777.12x = 57,708,943.40
  5. Step 5: Solve for x
    x = 57,708,943.40/6,777.12
  6. Step 6: Final answer
    x = 8,515.26

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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.