Home / 8,700.04-13,046.20-2,775.84

Finding the Fourth Proportional to 8,700.04, 13,046.20 and 2,775.84

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Solution

The fourth proportional to 8,700.04, 13,046.20 and 2,775.84 is: 4,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.04 : 13,046.20 = 2,775.84 : x
  2. Step 2: Convert to fraction form
    8,700.04/13,046.20 = 2,775.84/x
  3. Step 3: Cross multiply
    8,700.04x = 13,046.20 × 2,775.84
  4. Step 4: Simplify right side
    8,700.04x = 36,214,107.95
  5. Step 5: Solve for x
    x = 36,214,107.95/8,700.04
  6. Step 6: Final answer
    x = 4,162.52

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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.