Home / 11,575.48-15,975.02-6,540.28

Finding the Fourth Proportional to 11,575.48, 15,975.02 and 6,540.28

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Solution

The fourth proportional to 11,575.48, 15,975.02 and 6,540.28 is: 9,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.48 : 15,975.02 = 6,540.28 : x
  2. Step 2: Convert to fraction form
    11,575.48/15,975.02 = 6,540.28/x
  3. Step 3: Cross multiply
    11,575.48x = 15,975.02 × 6,540.28
  4. Step 4: Simplify right side
    11,575.48x = 104,481,103.81
  5. Step 5: Solve for x
    x = 104,481,103.81/11,575.48
  6. Step 6: Final answer
    x = 9,026.07

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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.