Home / 9,927.76-13,700.98-5,736

Finding the Fourth Proportional to 9,927.76, 13,700.98 and 5,736

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Solution

The fourth proportional to 9,927.76, 13,700.98 and 5,736 is: 7,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.76 : 13,700.98 = 5,736 : x
  2. Step 2: Convert to fraction form
    9,927.76/13,700.98 = 5,736/x
  3. Step 3: Cross multiply
    9,927.76x = 13,700.98 × 5,736
  4. Step 4: Simplify right side
    9,927.76x = 78,588,821.28
  5. Step 5: Solve for x
    x = 78,588,821.28/9,927.76
  6. Step 6: Final answer
    x = 7,916.07

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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.