Home / 11,308.14-15,610.59-7,537.59

Finding the Fourth Proportional to 11,308.14, 15,610.59 and 7,537.59

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Solution

The fourth proportional to 11,308.14, 15,610.59 and 7,537.59 is: 10,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.14 : 15,610.59 = 7,537.59 : x
  2. Step 2: Convert to fraction form
    11,308.14/15,610.59 = 7,537.59/x
  3. Step 3: Cross multiply
    11,308.14x = 15,610.59 × 7,537.59
  4. Step 4: Simplify right side
    11,308.14x = 117,666,227.08
  5. Step 5: Solve for x
    x = 117,666,227.08/11,308.14
  6. Step 6: Final answer
    x = 10,405.44

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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.