Home / 12,440.02-17,167.41-7,135.33

Finding the Fourth Proportional to 12,440.02, 17,167.41 and 7,135.33

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Solution

The fourth proportional to 12,440.02, 17,167.41 and 7,135.33 is: 9,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.02 : 17,167.41 = 7,135.33 : x
  2. Step 2: Convert to fraction form
    12,440.02/17,167.41 = 7,135.33/x
  3. Step 3: Cross multiply
    12,440.02x = 17,167.41 × 7,135.33
  4. Step 4: Simplify right side
    12,440.02x = 122,495,135.60
  5. Step 5: Solve for x
    x = 122,495,135.60/12,440.02
  6. Step 6: Final answer
    x = 9,846.86

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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.