Home / 12,588.22-17,409.36-11,057.32

Finding the Fourth Proportional to 12,588.22, 17,409.36 and 11,057.32

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Solution

The fourth proportional to 12,588.22, 17,409.36 and 11,057.32 is: 15,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.22 : 17,409.36 = 11,057.32 : x
  2. Step 2: Convert to fraction form
    12,588.22/17,409.36 = 11,057.32/x
  3. Step 3: Cross multiply
    12,588.22x = 17,409.36 × 11,057.32
  4. Step 4: Simplify right side
    12,588.22x = 192,500,864.52
  5. Step 5: Solve for x
    x = 192,500,864.52/12,588.22
  6. Step 6: Final answer
    x = 15,292.14

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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.