Home / 8,031.88-11,084.34-4,675.78

Finding the Fourth Proportional to 8,031.88, 11,084.34 and 4,675.78

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Solution

The fourth proportional to 8,031.88, 11,084.34 and 4,675.78 is: 6,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.88 : 11,084.34 = 4,675.78 : x
  2. Step 2: Convert to fraction form
    8,031.88/11,084.34 = 4,675.78/x
  3. Step 3: Cross multiply
    8,031.88x = 11,084.34 × 4,675.78
  4. Step 4: Simplify right side
    8,031.88x = 51,827,935.29
  5. Step 5: Solve for x
    x = 51,827,935.29/8,031.88
  6. Step 6: Final answer
    x = 6,452.78

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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.