Home / 11,765.08-16,235.76-6,460

Finding the Fourth Proportional to 11,765.08, 16,235.76 and 6,460

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Solution

The fourth proportional to 11,765.08, 16,235.76 and 6,460 is: 8,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.08 : 16,235.76 = 6,460 : x
  2. Step 2: Convert to fraction form
    11,765.08/16,235.76 = 6,460/x
  3. Step 3: Cross multiply
    11,765.08x = 16,235.76 × 6,460
  4. Step 4: Simplify right side
    11,765.08x = 104,883,009.60
  5. Step 5: Solve for x
    x = 104,883,009.60/11,765.08
  6. Step 6: Final answer
    x = 8,914.77

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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.