Home / 10,315.42-15,473.95-3,296.43

Finding the Fourth Proportional to 10,315.42, 15,473.95 and 3,296.43

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Solution

The fourth proportional to 10,315.42, 15,473.95 and 3,296.43 is: 4,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.42 : 15,473.95 = 3,296.43 : x
  2. Step 2: Convert to fraction form
    10,315.42/15,473.95 = 3,296.43/x
  3. Step 3: Cross multiply
    10,315.42x = 15,473.95 × 3,296.43
  4. Step 4: Simplify right side
    10,315.42x = 51,008,784.76
  5. Step 5: Solve for x
    x = 51,008,784.76/10,315.42
  6. Step 6: Final answer
    x = 4,944.91

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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.