Home / 11,223.49-15,488.52-6,187.89

Finding the Fourth Proportional to 11,223.49, 15,488.52 and 6,187.89

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Solution

The fourth proportional to 11,223.49, 15,488.52 and 6,187.89 is: 8,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.49 : 15,488.52 = 6,187.89 : x
  2. Step 2: Convert to fraction form
    11,223.49/15,488.52 = 6,187.89/x
  3. Step 3: Cross multiply
    11,223.49x = 15,488.52 × 6,187.89
  4. Step 4: Simplify right side
    11,223.49x = 95,841,162.22
  5. Step 5: Solve for x
    x = 95,841,162.22/11,223.49
  6. Step 6: Final answer
    x = 8,539.34

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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.