Home / 12,929.05-17,840.73-7,263.37

Finding the Fourth Proportional to 12,929.05, 17,840.73 and 7,263.37

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Solution

The fourth proportional to 12,929.05, 17,840.73 and 7,263.37 is: 10,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.05 : 17,840.73 = 7,263.37 : x
  2. Step 2: Convert to fraction form
    12,929.05/17,840.73 = 7,263.37/x
  3. Step 3: Cross multiply
    12,929.05x = 17,840.73 × 7,263.37
  4. Step 4: Simplify right side
    12,929.05x = 129,583,823.06
  5. Step 5: Solve for x
    x = 129,583,823.06/12,929.05
  6. Step 6: Final answer
    x = 10,022.69

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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.