Home / 10,887.94-15,023.37-6,412.42

Finding the Fourth Proportional to 10,887.94, 15,023.37 and 6,412.42

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Solution

The fourth proportional to 10,887.94, 15,023.37 and 6,412.42 is: 8,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.94 : 15,023.37 = 6,412.42 : x
  2. Step 2: Convert to fraction form
    10,887.94/15,023.37 = 6,412.42/x
  3. Step 3: Cross multiply
    10,887.94x = 15,023.37 × 6,412.42
  4. Step 4: Simplify right side
    10,887.94x = 96,336,158.26
  5. Step 5: Solve for x
    x = 96,336,158.26/10,887.94
  6. Step 6: Final answer
    x = 8,847.97

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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.