Home / 12,474.06-17,213.78-7,435.68

Finding the Fourth Proportional to 12,474.06, 17,213.78 and 7,435.68

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Solution

The fourth proportional to 12,474.06, 17,213.78 and 7,435.68 is: 10,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.06 : 17,213.78 = 7,435.68 : x
  2. Step 2: Convert to fraction form
    12,474.06/17,213.78 = 7,435.68/x
  3. Step 3: Cross multiply
    12,474.06x = 17,213.78 × 7,435.68
  4. Step 4: Simplify right side
    12,474.06x = 127,996,159.67
  5. Step 5: Solve for x
    x = 127,996,159.67/12,474.06
  6. Step 6: Final answer
    x = 10,260.99

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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.