Home / 11,563.60-15,951.52-10,068.88

Finding the Fourth Proportional to 11,563.60, 15,951.52 and 10,068.88

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Solution

The fourth proportional to 11,563.60, 15,951.52 and 10,068.88 is: 13,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.60 : 15,951.52 = 10,068.88 : x
  2. Step 2: Convert to fraction form
    11,563.60/15,951.52 = 10,068.88/x
  3. Step 3: Cross multiply
    11,563.60x = 15,951.52 × 10,068.88
  4. Step 4: Simplify right side
    11,563.60x = 160,613,940.70
  5. Step 5: Solve for x
    x = 160,613,940.70/11,563.60
  6. Step 6: Final answer
    x = 13,889.61

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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.