Home / 13,029.47-17,981.01-7,996.48

Finding the Fourth Proportional to 13,029.47, 17,981.01 and 7,996.48

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Solution

The fourth proportional to 13,029.47, 17,981.01 and 7,996.48 is: 11,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.47 : 17,981.01 = 7,996.48 : x
  2. Step 2: Convert to fraction form
    13,029.47/17,981.01 = 7,996.48/x
  3. Step 3: Cross multiply
    13,029.47x = 17,981.01 × 7,996.48
  4. Step 4: Simplify right side
    13,029.47x = 143,784,786.84
  5. Step 5: Solve for x
    x = 143,784,786.84/13,029.47
  6. Step 6: Final answer
    x = 11,035.35

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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.