Home / 12,047.48-16,627.27-6,942

Finding the Fourth Proportional to 12,047.48, 16,627.27 and 6,942

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Solution

The fourth proportional to 12,047.48, 16,627.27 and 6,942 is: 9,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.48 : 16,627.27 = 6,942 : x
  2. Step 2: Convert to fraction form
    12,047.48/16,627.27 = 6,942/x
  3. Step 3: Cross multiply
    12,047.48x = 16,627.27 × 6,942
  4. Step 4: Simplify right side
    12,047.48x = 115,426,508.34
  5. Step 5: Solve for x
    x = 115,426,508.34/12,047.48
  6. Step 6: Final answer
    x = 9,580.97

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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.