Home / 10,000.14-13,789.85-8,588.50

Finding the Fourth Proportional to 10,000.14, 13,789.85 and 8,588.50

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Solution

The fourth proportional to 10,000.14, 13,789.85 and 8,588.50 is: 11,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.14 : 13,789.85 = 8,588.50 : x
  2. Step 2: Convert to fraction form
    10,000.14/13,789.85 = 8,588.50/x
  3. Step 3: Cross multiply
    10,000.14x = 13,789.85 × 8,588.50
  4. Step 4: Simplify right side
    10,000.14x = 118,434,113.72
  5. Step 5: Solve for x
    x = 118,434,113.72/10,000.14
  6. Step 6: Final answer
    x = 11,843.25

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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.