Home / 11,701.77-16,148.48-6,985.95

Finding the Fourth Proportional to 11,701.77, 16,148.48 and 6,985.95

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Solution

The fourth proportional to 11,701.77, 16,148.48 and 6,985.95 is: 9,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.77 : 16,148.48 = 6,985.95 : x
  2. Step 2: Convert to fraction form
    11,701.77/16,148.48 = 6,985.95/x
  3. Step 3: Cross multiply
    11,701.77x = 16,148.48 × 6,985.95
  4. Step 4: Simplify right side
    11,701.77x = 112,812,438.93
  5. Step 5: Solve for x
    x = 112,812,438.93/11,701.77
  6. Step 6: Final answer
    x = 9,640.63

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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.