Home / 8,855.63-13,284.76-5,521.16

Finding the Fourth Proportional to 8,855.63, 13,284.76 and 5,521.16

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Solution

The fourth proportional to 8,855.63, 13,284.76 and 5,521.16 is: 8,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.63 : 13,284.76 = 5,521.16 : x
  2. Step 2: Convert to fraction form
    8,855.63/13,284.76 = 5,521.16/x
  3. Step 3: Cross multiply
    8,855.63x = 13,284.76 × 5,521.16
  4. Step 4: Simplify right side
    8,855.63x = 73,347,315.28
  5. Step 5: Solve for x
    x = 73,347,315.28/8,855.63
  6. Step 6: Final answer
    x = 8,282.56

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1.5x scale

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.