Home / 11,232.48-15,514.56-7,707.36

Finding the Fourth Proportional to 11,232.48, 15,514.56 and 7,707.36

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Solution

The fourth proportional to 11,232.48, 15,514.56 and 7,707.36 is: 10,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.48 : 15,514.56 = 7,707.36 : x
  2. Step 2: Convert to fraction form
    11,232.48/15,514.56 = 7,707.36/x
  3. Step 3: Cross multiply
    11,232.48x = 15,514.56 × 7,707.36
  4. Step 4: Simplify right side
    11,232.48x = 119,576,299.16
  5. Step 5: Solve for x
    x = 119,576,299.16/11,232.48
  6. Step 6: Final answer
    x = 10,645.58

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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.