Home / 11,765.31-16,235.61-6,460.22

Finding the Fourth Proportional to 11,765.31, 16,235.61 and 6,460.22

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Solution

The fourth proportional to 11,765.31, 16,235.61 and 6,460.22 is: 8,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.31 : 16,235.61 = 6,460.22 : x
  2. Step 2: Convert to fraction form
    11,765.31/16,235.61 = 6,460.22/x
  3. Step 3: Cross multiply
    11,765.31x = 16,235.61 × 6,460.22
  4. Step 4: Simplify right side
    11,765.31x = 104,885,612.43
  5. Step 5: Solve for x
    x = 104,885,612.43/11,765.31
  6. Step 6: Final answer
    x = 8,914.82

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1.5x scale

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.