Home / 12,516.60-17,272.64-6,851.22

Finding the Fourth Proportional to 12,516.60, 17,272.64 and 6,851.22

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Solution

The fourth proportional to 12,516.60, 17,272.64 and 6,851.22 is: 9,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.60 : 17,272.64 = 6,851.22 : x
  2. Step 2: Convert to fraction form
    12,516.60/17,272.64 = 6,851.22/x
  3. Step 3: Cross multiply
    12,516.60x = 17,272.64 × 6,851.22
  4. Step 4: Simplify right side
    12,516.60x = 118,338,656.62
  5. Step 5: Solve for x
    x = 118,338,656.62/12,516.60
  6. Step 6: Final answer
    x = 9,454.54

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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.