Home / 10,690.77-16,036.40-3,670.73

Finding the Fourth Proportional to 10,690.77, 16,036.40 and 3,670.73

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Solution

The fourth proportional to 10,690.77, 16,036.40 and 3,670.73 is: 5,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.77 : 16,036.40 = 3,670.73 : x
  2. Step 2: Convert to fraction form
    10,690.77/16,036.40 = 3,670.73/x
  3. Step 3: Cross multiply
    10,690.77x = 16,036.40 × 3,670.73
  4. Step 4: Simplify right side
    10,690.77x = 58,865,294.57
  5. Step 5: Solve for x
    x = 58,865,294.57/10,690.77
  6. Step 6: Final answer
    x = 5,506.18

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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.