Home / 12,795.31-17,659.79-9,581.23

Finding the Fourth Proportional to 12,795.31, 17,659.79 and 9,581.23

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Solution

The fourth proportional to 12,795.31, 17,659.79 and 9,581.23 is: 13,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.31 : 17,659.79 = 9,581.23 : x
  2. Step 2: Convert to fraction form
    12,795.31/17,659.79 = 9,581.23/x
  3. Step 3: Cross multiply
    12,795.31x = 17,659.79 × 9,581.23
  4. Step 4: Simplify right side
    12,795.31x = 169,202,509.74
  5. Step 5: Solve for x
    x = 169,202,509.74/12,795.31
  6. Step 6: Final answer
    x = 13,223.79

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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.