Home / 7,415.88-10,236.30-4,900.22

Finding the Fourth Proportional to 7,415.88, 10,236.30 and 4,900.22

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Solution

The fourth proportional to 7,415.88, 10,236.30 and 4,900.22 is: 6,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.88 : 10,236.30 = 4,900.22 : x
  2. Step 2: Convert to fraction form
    7,415.88/10,236.30 = 4,900.22/x
  3. Step 3: Cross multiply
    7,415.88x = 10,236.30 × 4,900.22
  4. Step 4: Simplify right side
    7,415.88x = 50,160,090.81
  5. Step 5: Solve for x
    x = 50,160,090.81/7,415.88
  6. Step 6: Final answer
    x = 6,763.88

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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.