Home / 11,292.51-16,931.93-5,051.36

Finding the Fourth Proportional to 11,292.51, 16,931.93 and 5,051.36

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Solution

The fourth proportional to 11,292.51, 16,931.93 and 5,051.36 is: 7,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.51 : 16,931.93 = 5,051.36 : x
  2. Step 2: Convert to fraction form
    11,292.51/16,931.93 = 5,051.36/x
  3. Step 3: Cross multiply
    11,292.51x = 16,931.93 × 5,051.36
  4. Step 4: Simplify right side
    11,292.51x = 85,529,273.92
  5. Step 5: Solve for x
    x = 85,529,273.92/11,292.51
  6. Step 6: Final answer
    x = 7,573.98

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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.