Home / 11,854.60-17,775.96-3,954.32

Finding the Fourth Proportional to 11,854.60, 17,775.96 and 3,954.32

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Solution

The fourth proportional to 11,854.60, 17,775.96 and 3,954.32 is: 5,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.60 : 17,775.96 = 3,954.32 : x
  2. Step 2: Convert to fraction form
    11,854.60/17,775.96 = 3,954.32/x
  3. Step 3: Cross multiply
    11,854.60x = 17,775.96 × 3,954.32
  4. Step 4: Simplify right side
    11,854.60x = 70,291,834.15
  5. Step 5: Solve for x
    x = 70,291,834.15/11,854.60
  6. Step 6: Final answer
    x = 5,929.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.