Home / 12,431.04-17,163.10-9,593.40

Finding the Fourth Proportional to 12,431.04, 17,163.10 and 9,593.40

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Solution

The fourth proportional to 12,431.04, 17,163.10 and 9,593.40 is: 13,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431.04 : 17,163.10 = 9,593.40 : x
  2. Step 2: Convert to fraction form
    12,431.04/17,163.10 = 9,593.40/x
  3. Step 3: Cross multiply
    12,431.04x = 17,163.10 × 9,593.40
  4. Step 4: Simplify right side
    12,431.04x = 164,652,483.54
  5. Step 5: Solve for x
    x = 164,652,483.54/12,431.04
  6. Step 6: Final answer
    x = 13,245.27

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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.