Home / 6,505.47-8,977.23-3,816.32

Finding the Fourth Proportional to 6,505.47, 8,977.23 and 3,816.32

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Solution

The fourth proportional to 6,505.47, 8,977.23 and 3,816.32 is: 5,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.47 : 8,977.23 = 3,816.32 : x
  2. Step 2: Convert to fraction form
    6,505.47/8,977.23 = 3,816.32/x
  3. Step 3: Cross multiply
    6,505.47x = 8,977.23 × 3,816.32
  4. Step 4: Simplify right side
    6,505.47x = 34,259,982.39
  5. Step 5: Solve for x
    x = 34,259,982.39/6,505.47
  6. Step 6: Final answer
    x = 5,266.33

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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.