Home / 8,972.85-13,483.04-4,815.93

Finding the Fourth Proportional to 8,972.85, 13,483.04 and 4,815.93

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Solution

The fourth proportional to 8,972.85, 13,483.04 and 4,815.93 is: 7,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.85 : 13,483.04 = 4,815.93 : x
  2. Step 2: Convert to fraction form
    8,972.85/13,483.04 = 4,815.93/x
  3. Step 3: Cross multiply
    8,972.85x = 13,483.04 × 4,815.93
  4. Step 4: Simplify right side
    8,972.85x = 64,933,352.75
  5. Step 5: Solve for x
    x = 64,933,352.75/8,972.85
  6. Step 6: Final answer
    x = 7,236.65

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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.