Home / 10,584.48-15,855.56-5,043.20

Finding the Fourth Proportional to 10,584.48, 15,855.56 and 5,043.20

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Solution

The fourth proportional to 10,584.48, 15,855.56 and 5,043.20 is: 7,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.48 : 15,855.56 = 5,043.20 : x
  2. Step 2: Convert to fraction form
    10,584.48/15,855.56 = 5,043.20/x
  3. Step 3: Cross multiply
    10,584.48x = 15,855.56 × 5,043.20
  4. Step 4: Simplify right side
    10,584.48x = 79,962,760.19
  5. Step 5: Solve for x
    x = 79,962,760.19/10,584.48
  6. Step 6: Final answer
    x = 7,554.72

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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.