Home / 13,042.40-17,997.68-7,453.28

Finding the Fourth Proportional to 13,042.40, 17,997.68 and 7,453.28

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Solution

The fourth proportional to 13,042.40, 17,997.68 and 7,453.28 is: 10,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.40 : 17,997.68 = 7,453.28 : x
  2. Step 2: Convert to fraction form
    13,042.40/17,997.68 = 7,453.28/x
  3. Step 3: Cross multiply
    13,042.40x = 17,997.68 × 7,453.28
  4. Step 4: Simplify right side
    13,042.40x = 134,141,748.39
  5. Step 5: Solve for x
    x = 134,141,748.39/13,042.40
  6. Step 6: Final answer
    x = 10,285.05

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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.