Home / 9,315.52-13,982.46-6,843.40

Finding the Fourth Proportional to 9,315.52, 13,982.46 and 6,843.40

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Solution

The fourth proportional to 9,315.52, 13,982.46 and 6,843.40 is: 10,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.52 : 13,982.46 = 6,843.40 : x
  2. Step 2: Convert to fraction form
    9,315.52/13,982.46 = 6,843.40/x
  3. Step 3: Cross multiply
    9,315.52x = 13,982.46 × 6,843.40
  4. Step 4: Simplify right side
    9,315.52x = 95,687,566.76
  5. Step 5: Solve for x
    x = 95,687,566.76/9,315.52
  6. Step 6: Final answer
    x = 10,271.84

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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.