Home / 11,467.71-15,825.15-6,431.52

Finding the Fourth Proportional to 11,467.71, 15,825.15 and 6,431.52

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Solution

The fourth proportional to 11,467.71, 15,825.15 and 6,431.52 is: 8,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.71 : 15,825.15 = 6,431.52 : x
  2. Step 2: Convert to fraction form
    11,467.71/15,825.15 = 6,431.52/x
  3. Step 3: Cross multiply
    11,467.71x = 15,825.15 × 6,431.52
  4. Step 4: Simplify right side
    11,467.71x = 101,779,768.73
  5. Step 5: Solve for x
    x = 101,779,768.73/11,467.71
  6. Step 6: Final answer
    x = 8,875.34

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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.