Home / 10,852.40-14,975.88-6,137.66

Finding the Fourth Proportional to 10,852.40, 14,975.88 and 6,137.66

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Solution

The fourth proportional to 10,852.40, 14,975.88 and 6,137.66 is: 8,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.40 : 14,975.88 = 6,137.66 : x
  2. Step 2: Convert to fraction form
    10,852.40/14,975.88 = 6,137.66/x
  3. Step 3: Cross multiply
    10,852.40x = 14,975.88 × 6,137.66
  4. Step 4: Simplify right side
    10,852.40x = 91,916,859.64
  5. Step 5: Solve for x
    x = 91,916,859.64/10,852.40
  6. Step 6: Final answer
    x = 8,469.73

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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.