Home / 9,886.20-14,829.30-9,540.60

Finding the Fourth Proportional to 9,886.20, 14,829.30 and 9,540.60

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Solution

The fourth proportional to 9,886.20, 14,829.30 and 9,540.60 is: 14,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.20 : 14,829.30 = 9,540.60 : x
  2. Step 2: Convert to fraction form
    9,886.20/14,829.30 = 9,540.60/x
  3. Step 3: Cross multiply
    9,886.20x = 14,829.30 × 9,540.60
  4. Step 4: Simplify right side
    9,886.20x = 141,480,419.58
  5. Step 5: Solve for x
    x = 141,480,419.58/9,886.20
  6. Step 6: Final answer
    x = 14,310.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.