Home / 12,343.48-17,031.26-7,308

Finding the Fourth Proportional to 12,343.48, 17,031.26 and 7,308

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Solution

The fourth proportional to 12,343.48, 17,031.26 and 7,308 is: 10,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.48 : 17,031.26 = 7,308 : x
  2. Step 2: Convert to fraction form
    12,343.48/17,031.26 = 7,308/x
  3. Step 3: Cross multiply
    12,343.48x = 17,031.26 × 7,308
  4. Step 4: Simplify right side
    12,343.48x = 124,464,448.08
  5. Step 5: Solve for x
    x = 124,464,448.08/12,343.48
  6. Step 6: Final answer
    x = 10,083.42

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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.