Home / 8,040.30-11,090.32-4,851.42

Finding the Fourth Proportional to 8,040.30, 11,090.32 and 4,851.42

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Solution

The fourth proportional to 8,040.30, 11,090.32 and 4,851.42 is: 6,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.30 : 11,090.32 = 4,851.42 : x
  2. Step 2: Convert to fraction form
    8,040.30/11,090.32 = 4,851.42/x
  3. Step 3: Cross multiply
    8,040.30x = 11,090.32 × 4,851.42
  4. Step 4: Simplify right side
    8,040.30x = 53,803,800.25
  5. Step 5: Solve for x
    x = 53,803,800.25/8,040.30
  6. Step 6: Final answer
    x = 6,691.77

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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.