Home / 6,165.12-9,255.44-4,947.68

Finding the Fourth Proportional to 6,165.12, 9,255.44 and 4,947.68

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Solution

The fourth proportional to 6,165.12, 9,255.44 and 4,947.68 is: 7,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.12 : 9,255.44 = 4,947.68 : x
  2. Step 2: Convert to fraction form
    6,165.12/9,255.44 = 4,947.68/x
  3. Step 3: Cross multiply
    6,165.12x = 9,255.44 × 4,947.68
  4. Step 4: Simplify right side
    6,165.12x = 45,792,955.38
  5. Step 5: Solve for x
    x = 45,792,955.38/6,165.12
  6. Step 6: Final answer
    x = 7,427.75

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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.