Home / 11,345.94-15,656.56-6,309.92

Finding the Fourth Proportional to 11,345.94, 15,656.56 and 6,309.92

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Solution

The fourth proportional to 11,345.94, 15,656.56 and 6,309.92 is: 8,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.94 : 15,656.56 = 6,309.92 : x
  2. Step 2: Convert to fraction form
    11,345.94/15,656.56 = 6,309.92/x
  3. Step 3: Cross multiply
    11,345.94x = 15,656.56 × 6,309.92
  4. Step 4: Simplify right side
    11,345.94x = 98,791,664.44
  5. Step 5: Solve for x
    x = 98,791,664.44/11,345.94
  6. Step 6: Final answer
    x = 8,707.23

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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.