Home / 7,905.62-11,848.95-3,683.18

Finding the Fourth Proportional to 7,905.62, 11,848.95 and 3,683.18

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Solution

The fourth proportional to 7,905.62, 11,848.95 and 3,683.18 is: 5,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.62 : 11,848.95 = 3,683.18 : x
  2. Step 2: Convert to fraction form
    7,905.62/11,848.95 = 3,683.18/x
  3. Step 3: Cross multiply
    7,905.62x = 11,848.95 × 3,683.18
  4. Step 4: Simplify right side
    7,905.62x = 43,641,756.42
  5. Step 5: Solve for x
    x = 43,641,756.42/7,905.62
  6. Step 6: Final answer
    x = 5,520.35

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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.