Home / 12,803.22-17,668.80-7,498.26

Finding the Fourth Proportional to 12,803.22, 17,668.80 and 7,498.26

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Solution

The fourth proportional to 12,803.22, 17,668.80 and 7,498.26 is: 10,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.22 : 17,668.80 = 7,498.26 : x
  2. Step 2: Convert to fraction form
    12,803.22/17,668.80 = 7,498.26/x
  3. Step 3: Cross multiply
    12,803.22x = 17,668.80 × 7,498.26
  4. Step 4: Simplify right side
    12,803.22x = 132,485,256.29
  5. Step 5: Solve for x
    x = 132,485,256.29/12,803.22
  6. Step 6: Final answer
    x = 10,347.81

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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.