Home / 11,123.04-16,687.98-5,925

Finding the Fourth Proportional to 11,123.04, 16,687.98 and 5,925

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Solution

The fourth proportional to 11,123.04, 16,687.98 and 5,925 is: 8,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.04 : 16,687.98 = 5,925 : x
  2. Step 2: Convert to fraction form
    11,123.04/16,687.98 = 5,925/x
  3. Step 3: Cross multiply
    11,123.04x = 16,687.98 × 5,925
  4. Step 4: Simplify right side
    11,123.04x = 98,876,281.50
  5. Step 5: Solve for x
    x = 98,876,281.50/11,123.04
  6. Step 6: Final answer
    x = 8,889.32

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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.