Home / 11,434.80-17,168.40-7,060.80

Finding the Fourth Proportional to 11,434.80, 17,168.40 and 7,060.80

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Solution

The fourth proportional to 11,434.80, 17,168.40 and 7,060.80 is: 10,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.80 : 17,168.40 = 7,060.80 : x
  2. Step 2: Convert to fraction form
    11,434.80/17,168.40 = 7,060.80/x
  3. Step 3: Cross multiply
    11,434.80x = 17,168.40 × 7,060.80
  4. Step 4: Simplify right side
    11,434.80x = 121,222,638.72
  5. Step 5: Solve for x
    x = 121,222,638.72/11,434.80
  6. Step 6: Final answer
    x = 10,601.20

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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.