Home / 11,257.02-16,876.39-4,688.13

Finding the Fourth Proportional to 11,257.02, 16,876.39 and 4,688.13

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Solution

The fourth proportional to 11,257.02, 16,876.39 and 4,688.13 is: 7,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.02 : 16,876.39 = 4,688.13 : x
  2. Step 2: Convert to fraction form
    11,257.02/16,876.39 = 4,688.13/x
  3. Step 3: Cross multiply
    11,257.02x = 16,876.39 × 4,688.13
  4. Step 4: Simplify right side
    11,257.02x = 79,118,710.25
  5. Step 5: Solve for x
    x = 79,118,710.25/11,257.02
  6. Step 6: Final answer
    x = 7,028.39

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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.