Home / 7,643.09-10,546.00-4,617.60

Finding the Fourth Proportional to 7,643.09, 10,546.00 and 4,617.60

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Solution

The fourth proportional to 7,643.09, 10,546.00 and 4,617.60 is: 6,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.09 : 10,546.00 = 4,617.60 : x
  2. Step 2: Convert to fraction form
    7,643.09/10,546.00 = 4,617.60/x
  3. Step 3: Cross multiply
    7,643.09x = 10,546.00 × 4,617.60
  4. Step 4: Simplify right side
    7,643.09x = 48,697,243.80
  5. Step 5: Solve for x
    x = 48,697,243.80/7,643.09
  6. Step 6: Final answer
    x = 6,371.41

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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.