Home / 11,695.83-16,135.64-7,445.79

Finding the Fourth Proportional to 11,695.83, 16,135.64 and 7,445.79

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Solution

The fourth proportional to 11,695.83, 16,135.64 and 7,445.79 is: 10,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.83 : 16,135.64 = 7,445.79 : x
  2. Step 2: Convert to fraction form
    11,695.83/16,135.64 = 7,445.79/x
  3. Step 3: Cross multiply
    11,695.83x = 16,135.64 × 7,445.79
  4. Step 4: Simplify right side
    11,695.83x = 120,142,549.73
  5. Step 5: Solve for x
    x = 120,142,549.73/11,695.83
  6. Step 6: Final answer
    x = 10,272.26

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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.