Home / 8,566.68-12,845.16-5,106.36

Finding the Fourth Proportional to 8,566.68, 12,845.16 and 5,106.36

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Solution

The fourth proportional to 8,566.68, 12,845.16 and 5,106.36 is: 7,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.68 : 12,845.16 = 5,106.36 : x
  2. Step 2: Convert to fraction form
    8,566.68/12,845.16 = 5,106.36/x
  3. Step 3: Cross multiply
    8,566.68x = 12,845.16 × 5,106.36
  4. Step 4: Simplify right side
    8,566.68x = 65,592,011.22
  5. Step 5: Solve for x
    x = 65,592,011.22/8,566.68
  6. Step 6: Final answer
    x = 7,656.64

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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.