Home / 11,732.48-16,191-6,427.28

Finding the Fourth Proportional to 11,732.48, 16,191 and 6,427.28

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Solution

The fourth proportional to 11,732.48, 16,191 and 6,427.28 is: 8,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.48 : 16,191 = 6,427.28 : x
  2. Step 2: Convert to fraction form
    11,732.48/16,191 = 6,427.28/x
  3. Step 3: Cross multiply
    11,732.48x = 16,191 × 6,427.28
  4. Step 4: Simplify right side
    11,732.48x = 104,064,090.48
  5. Step 5: Solve for x
    x = 104,064,090.48/11,732.48
  6. Step 6: Final answer
    x = 8,869.74

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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.