Home / 8,737.20-12,058.40-4,961.55

Finding the Fourth Proportional to 8,737.20, 12,058.40 and 4,961.55

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Solution

The fourth proportional to 8,737.20, 12,058.40 and 4,961.55 is: 6,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.20 : 12,058.40 = 4,961.55 : x
  2. Step 2: Convert to fraction form
    8,737.20/12,058.40 = 4,961.55/x
  3. Step 3: Cross multiply
    8,737.20x = 12,058.40 × 4,961.55
  4. Step 4: Simplify right side
    8,737.20x = 59,828,412.14
  5. Step 5: Solve for x
    x = 59,828,412.14/8,737.20
  6. Step 6: Final answer
    x = 6,847.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.