Home / 11,602.20-17,386.02-6,664.44

Finding the Fourth Proportional to 11,602.20, 17,386.02 and 6,664.44

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Solution

The fourth proportional to 11,602.20, 17,386.02 and 6,664.44 is: 9,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.20 : 17,386.02 = 6,664.44 : x
  2. Step 2: Convert to fraction form
    11,602.20/17,386.02 = 6,664.44/x
  3. Step 3: Cross multiply
    11,602.20x = 17,386.02 × 6,664.44
  4. Step 4: Simplify right side
    11,602.20x = 115,868,087.13
  5. Step 5: Solve for x
    x = 115,868,087.13/11,602.20
  6. Step 6: Final answer
    x = 9,986.73

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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.