Home / 8,456.07-11,673.48-5,628.16

Finding the Fourth Proportional to 8,456.07, 11,673.48 and 5,628.16

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Solution

The fourth proportional to 8,456.07, 11,673.48 and 5,628.16 is: 7,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.07 : 11,673.48 = 5,628.16 : x
  2. Step 2: Convert to fraction form
    8,456.07/11,673.48 = 5,628.16/x
  3. Step 3: Cross multiply
    8,456.07x = 11,673.48 × 5,628.16
  4. Step 4: Simplify right side
    8,456.07x = 65,700,213.20
  5. Step 5: Solve for x
    x = 65,700,213.20/8,456.07
  6. Step 6: Final answer
    x = 7,769.59

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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.