Home / 10,976.51-15,147.61-6,502.48

Finding the Fourth Proportional to 10,976.51, 15,147.61 and 6,502.48

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Solution

The fourth proportional to 10,976.51, 15,147.61 and 6,502.48 is: 8,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.51 : 15,147.61 = 6,502.48 : x
  2. Step 2: Convert to fraction form
    10,976.51/15,147.61 = 6,502.48/x
  3. Step 3: Cross multiply
    10,976.51x = 15,147.61 × 6,502.48
  4. Step 4: Simplify right side
    10,976.51x = 98,496,976.95
  5. Step 5: Solve for x
    x = 98,496,976.95/10,976.51
  6. Step 6: Final answer
    x = 8,973.43

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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.