Home / 12,619.24-17,407.44-7,313.34

Finding the Fourth Proportional to 12,619.24, 17,407.44 and 7,313.34

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Solution

The fourth proportional to 12,619.24, 17,407.44 and 7,313.34 is: 10,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.24 : 17,407.44 = 7,313.34 : x
  2. Step 2: Convert to fraction form
    12,619.24/17,407.44 = 7,313.34/x
  3. Step 3: Cross multiply
    12,619.24x = 17,407.44 × 7,313.34
  4. Step 4: Simplify right side
    12,619.24x = 127,306,527.25
  5. Step 5: Solve for x
    x = 127,306,527.25/12,619.24
  6. Step 6: Final answer
    x = 10,088.29

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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.