Home / 9,040.68-12,461.58-6,383.88

Finding the Fourth Proportional to 9,040.68, 12,461.58 and 6,383.88

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Solution

The fourth proportional to 9,040.68, 12,461.58 and 6,383.88 is: 8,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.68 : 12,461.58 = 6,383.88 : x
  2. Step 2: Convert to fraction form
    9,040.68/12,461.58 = 6,383.88/x
  3. Step 3: Cross multiply
    9,040.68x = 12,461.58 × 6,383.88
  4. Step 4: Simplify right side
    9,040.68x = 79,553,231.33
  5. Step 5: Solve for x
    x = 79,553,231.33/9,040.68
  6. Step 6: Final answer
    x = 8,799.47

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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.