Home / 11,875.08-17,807.43-5,636.88

Finding the Fourth Proportional to 11,875.08, 17,807.43 and 5,636.88

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Solution

The fourth proportional to 11,875.08, 17,807.43 and 5,636.88 is: 8,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.08 : 17,807.43 = 5,636.88 : x
  2. Step 2: Convert to fraction form
    11,875.08/17,807.43 = 5,636.88/x
  3. Step 3: Cross multiply
    11,875.08x = 17,807.43 × 5,636.88
  4. Step 4: Simplify right side
    11,875.08x = 100,378,346.02
  5. Step 5: Solve for x
    x = 100,378,346.02/11,875.08
  6. Step 6: Final answer
    x = 8,452.86

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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.