Home / 11,244.60-15,530.04-8,756.64

Finding the Fourth Proportional to 11,244.60, 15,530.04 and 8,756.64

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Solution

The fourth proportional to 11,244.60, 15,530.04 and 8,756.64 is: 12,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.60 : 15,530.04 = 8,756.64 : x
  2. Step 2: Convert to fraction form
    11,244.60/15,530.04 = 8,756.64/x
  3. Step 3: Cross multiply
    11,244.60x = 15,530.04 × 8,756.64
  4. Step 4: Simplify right side
    11,244.60x = 135,990,969.47
  5. Step 5: Solve for x
    x = 135,990,969.47/11,244.60
  6. Step 6: Final answer
    x = 12,093.89

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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.