Home / 13,256.24-18,293.24-7,287.92

Finding the Fourth Proportional to 13,256.24, 18,293.24 and 7,287.92

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Solution

The fourth proportional to 13,256.24, 18,293.24 and 7,287.92 is: 10,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.24 : 18,293.24 = 7,287.92 : x
  2. Step 2: Convert to fraction form
    13,256.24/18,293.24 = 7,287.92/x
  3. Step 3: Cross multiply
    13,256.24x = 18,293.24 × 7,287.92
  4. Step 4: Simplify right side
    13,256.24x = 133,319,669.66
  5. Step 5: Solve for x
    x = 133,319,669.66/13,256.24
  6. Step 6: Final answer
    x = 10,057.13

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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.