Home / 12,929.56-17,841.36-7,263

Finding the Fourth Proportional to 12,929.56, 17,841.36 and 7,263

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Solution

The fourth proportional to 12,929.56, 17,841.36 and 7,263 is: 10,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.56 : 17,841.36 = 7,263 : x
  2. Step 2: Convert to fraction form
    12,929.56/17,841.36 = 7,263/x
  3. Step 3: Cross multiply
    12,929.56x = 17,841.36 × 7,263
  4. Step 4: Simplify right side
    12,929.56x = 129,581,797.68
  5. Step 5: Solve for x
    x = 129,581,797.68/12,929.56
  6. Step 6: Final answer
    x = 10,022.14

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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.