Home / 11,359.89-17,018.37-6,433.07

Finding the Fourth Proportional to 11,359.89, 17,018.37 and 6,433.07

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Solution

The fourth proportional to 11,359.89, 17,018.37 and 6,433.07 is: 9,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.89 : 17,018.37 = 6,433.07 : x
  2. Step 2: Convert to fraction form
    11,359.89/17,018.37 = 6,433.07/x
  3. Step 3: Cross multiply
    11,359.89x = 17,018.37 × 6,433.07
  4. Step 4: Simplify right side
    11,359.89x = 109,480,280.40
  5. Step 5: Solve for x
    x = 109,480,280.40/11,359.89
  6. Step 6: Final answer
    x = 9,637.44

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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.