Home / 7,318.13-10,953.62-4,821.37

Finding the Fourth Proportional to 7,318.13, 10,953.62 and 4,821.37

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Solution

The fourth proportional to 7,318.13, 10,953.62 and 4,821.37 is: 7,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.13 : 10,953.62 = 4,821.37 : x
  2. Step 2: Convert to fraction form
    7,318.13/10,953.62 = 4,821.37/x
  3. Step 3: Cross multiply
    7,318.13x = 10,953.62 × 4,821.37
  4. Step 4: Simplify right side
    7,318.13x = 52,811,489.71
  5. Step 5: Solve for x
    x = 52,811,489.71/7,318.13
  6. Step 6: Final answer
    x = 7,216.53

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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.