Home / 11,705.81-16,154.15-6,669.95

Finding the Fourth Proportional to 11,705.81, 16,154.15 and 6,669.95

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Solution

The fourth proportional to 11,705.81, 16,154.15 and 6,669.95 is: 9,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.81 : 16,154.15 = 6,669.95 : x
  2. Step 2: Convert to fraction form
    11,705.81/16,154.15 = 6,669.95/x
  3. Step 3: Cross multiply
    11,705.81x = 16,154.15 × 6,669.95
  4. Step 4: Simplify right side
    11,705.81x = 107,747,258.67
  5. Step 5: Solve for x
    x = 107,747,258.67/11,705.81
  6. Step 6: Final answer
    x = 9,204.60

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Why These Related Problems?

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