Home / 12,932.20-17,844.28-7,628.07

Finding the Fourth Proportional to 12,932.20, 17,844.28 and 7,628.07

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Solution

The fourth proportional to 12,932.20, 17,844.28 and 7,628.07 is: 10,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.20 : 17,844.28 = 7,628.07 : x
  2. Step 2: Convert to fraction form
    12,932.20/17,844.28 = 7,628.07/x
  3. Step 3: Cross multiply
    12,932.20x = 17,844.28 × 7,628.07
  4. Step 4: Simplify right side
    12,932.20x = 136,117,330.95
  5. Step 5: Solve for x
    x = 136,117,330.95/12,932.20
  6. Step 6: Final answer
    x = 10,525.46

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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.