Home / 11,858.67-16,342.49-8,495.71

Finding the Fourth Proportional to 11,858.67, 16,342.49 and 8,495.71

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Solution

The fourth proportional to 11,858.67, 16,342.49 and 8,495.71 is: 11,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.67 : 16,342.49 = 8,495.71 : x
  2. Step 2: Convert to fraction form
    11,858.67/16,342.49 = 8,495.71/x
  3. Step 3: Cross multiply
    11,858.67x = 16,342.49 × 8,495.71
  4. Step 4: Simplify right side
    11,858.67x = 138,841,036.10
  5. Step 5: Solve for x
    x = 138,841,036.10/11,858.67
  6. Step 6: Final answer
    x = 11,707.98

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1.5x scale

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.