Home / 11,502.64-15,871.70-6,466.19

Finding the Fourth Proportional to 11,502.64, 15,871.70 and 6,466.19

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Solution

The fourth proportional to 11,502.64, 15,871.70 and 6,466.19 is: 8,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.64 : 15,871.70 = 6,466.19 : x
  2. Step 2: Convert to fraction form
    11,502.64/15,871.70 = 6,466.19/x
  3. Step 3: Cross multiply
    11,502.64x = 15,871.70 × 6,466.19
  4. Step 4: Simplify right side
    11,502.64x = 102,629,427.82
  5. Step 5: Solve for x
    x = 102,629,427.82/11,502.64
  6. Step 6: Final answer
    x = 8,922.25

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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.