Home / 8,271.88-11,424.54-5,614.68

Finding the Fourth Proportional to 8,271.88, 11,424.54 and 5,614.68

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Solution

The fourth proportional to 8,271.88, 11,424.54 and 5,614.68 is: 7,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.88 : 11,424.54 = 5,614.68 : x
  2. Step 2: Convert to fraction form
    8,271.88/11,424.54 = 5,614.68/x
  3. Step 3: Cross multiply
    8,271.88x = 11,424.54 × 5,614.68
  4. Step 4: Simplify right side
    8,271.88x = 64,145,136.25
  5. Step 5: Solve for x
    x = 64,145,136.25/8,271.88
  6. Step 6: Final answer
    x = 7,754.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.