Home / 9,140.93-13,712.53-3,216.42

Finding the Fourth Proportional to 9,140.93, 13,712.53 and 3,216.42

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Solution

The fourth proportional to 9,140.93, 13,712.53 and 3,216.42 is: 4,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.93 : 13,712.53 = 3,216.42 : x
  2. Step 2: Convert to fraction form
    9,140.93/13,712.53 = 3,216.42/x
  3. Step 3: Cross multiply
    9,140.93x = 13,712.53 × 3,216.42
  4. Step 4: Simplify right side
    9,140.93x = 44,105,281.98
  5. Step 5: Solve for x
    x = 44,105,281.98/9,140.93
  6. Step 6: Final answer
    x = 4,825.03

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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.