Home / 10,322.51-15,480.73-2,927.62

Finding the Fourth Proportional to 10,322.51, 15,480.73 and 2,927.62

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Solution

The fourth proportional to 10,322.51, 15,480.73 and 2,927.62 is: 4,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.51 : 15,480.73 = 2,927.62 : x
  2. Step 2: Convert to fraction form
    10,322.51/15,480.73 = 2,927.62/x
  3. Step 3: Cross multiply
    10,322.51x = 15,480.73 × 2,927.62
  4. Step 4: Simplify right side
    10,322.51x = 45,321,648.74
  5. Step 5: Solve for x
    x = 45,321,648.74/10,322.51
  6. Step 6: Final answer
    x = 4,390.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.