Home / 12,628.05-17,428.01-7,593.90

Finding the Fourth Proportional to 12,628.05, 17,428.01 and 7,593.90

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Solution

The fourth proportional to 12,628.05, 17,428.01 and 7,593.90 is: 10,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.05 : 17,428.01 = 7,593.90 : x
  2. Step 2: Convert to fraction form
    12,628.05/17,428.01 = 7,593.90/x
  3. Step 3: Cross multiply
    12,628.05x = 17,428.01 × 7,593.90
  4. Step 4: Simplify right side
    12,628.05x = 132,346,527.17
  5. Step 5: Solve for x
    x = 132,346,527.17/12,628.05
  6. Step 6: Final answer
    x = 10,480.36

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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.