Home / 8,142.21-12,204.05-4,848.35

Finding the Fourth Proportional to 8,142.21, 12,204.05 and 4,848.35

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Solution

The fourth proportional to 8,142.21, 12,204.05 and 4,848.35 is: 7,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.21 : 12,204.05 = 4,848.35 : x
  2. Step 2: Convert to fraction form
    8,142.21/12,204.05 = 4,848.35/x
  3. Step 3: Cross multiply
    8,142.21x = 12,204.05 × 4,848.35
  4. Step 4: Simplify right side
    8,142.21x = 59,169,420.56
  5. Step 5: Solve for x
    x = 59,169,420.56/8,142.21
  6. Step 6: Final answer
    x = 7,267.00

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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.