Home / 11,307.08-16,965.48-4,386.44

Finding the Fourth Proportional to 11,307.08, 16,965.48 and 4,386.44

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Solution

The fourth proportional to 11,307.08, 16,965.48 and 4,386.44 is: 6,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.08 : 16,965.48 = 4,386.44 : x
  2. Step 2: Convert to fraction form
    11,307.08/16,965.48 = 4,386.44/x
  3. Step 3: Cross multiply
    11,307.08x = 16,965.48 × 4,386.44
  4. Step 4: Simplify right side
    11,307.08x = 74,418,060.09
  5. Step 5: Solve for x
    x = 74,418,060.09/11,307.08
  6. Step 6: Final answer
    x = 6,581.55

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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.