Home / 7,415.46-10,233.36-4,228.62

Finding the Fourth Proportional to 7,415.46, 10,233.36 and 4,228.62

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Solution

The fourth proportional to 7,415.46, 10,233.36 and 4,228.62 is: 5,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.46 : 10,233.36 = 4,228.62 : x
  2. Step 2: Convert to fraction form
    7,415.46/10,233.36 = 4,228.62/x
  3. Step 3: Cross multiply
    7,415.46x = 10,233.36 × 4,228.62
  4. Step 4: Simplify right side
    7,415.46x = 43,272,990.76
  5. Step 5: Solve for x
    x = 43,272,990.76/7,415.46
  6. Step 6: Final answer
    x = 5,835.51

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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.