Home / 11,000.25-15,180.35-6,284.63

Finding the Fourth Proportional to 11,000.25, 15,180.35 and 6,284.63

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Solution

The fourth proportional to 11,000.25, 15,180.35 and 6,284.63 is: 8,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.25 : 15,180.35 = 6,284.63 : x
  2. Step 2: Convert to fraction form
    11,000.25/15,180.35 = 6,284.63/x
  3. Step 3: Cross multiply
    11,000.25x = 15,180.35 × 6,284.63
  4. Step 4: Simplify right side
    11,000.25x = 95,402,889.55
  5. Step 5: Solve for x
    x = 95,402,889.55/11,000.25
  6. Step 6: Final answer
    x = 8,672.79

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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.