Home / 8,495.17-11,721.80-5,137.52

Finding the Fourth Proportional to 8,495.17, 11,721.80 and 5,137.52

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Solution

The fourth proportional to 8,495.17, 11,721.80 and 5,137.52 is: 7,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.17 : 11,721.80 = 5,137.52 : x
  2. Step 2: Convert to fraction form
    8,495.17/11,721.80 = 5,137.52/x
  3. Step 3: Cross multiply
    8,495.17x = 11,721.80 × 5,137.52
  4. Step 4: Simplify right side
    8,495.17x = 60,220,956.25
  5. Step 5: Solve for x
    x = 60,220,956.25/8,495.17
  6. Step 6: Final answer
    x = 7,088.84

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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.