Home / 8,675.24-13,005.04-3,124.68

Finding the Fourth Proportional to 8,675.24, 13,005.04 and 3,124.68

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Solution

The fourth proportional to 8,675.24, 13,005.04 and 3,124.68 is: 4,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.24 : 13,005.04 = 3,124.68 : x
  2. Step 2: Convert to fraction form
    8,675.24/13,005.04 = 3,124.68/x
  3. Step 3: Cross multiply
    8,675.24x = 13,005.04 × 3,124.68
  4. Step 4: Simplify right side
    8,675.24x = 40,636,588.39
  5. Step 5: Solve for x
    x = 40,636,588.39/8,675.24
  6. Step 6: Final answer
    x = 4,684.20

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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.