Home / 10,889.96-15,027.54-6,173.96

Finding the Fourth Proportional to 10,889.96, 15,027.54 and 6,173.96

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Solution

The fourth proportional to 10,889.96, 15,027.54 and 6,173.96 is: 8,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.96 : 15,027.54 = 6,173.96 : x
  2. Step 2: Convert to fraction form
    10,889.96/15,027.54 = 6,173.96/x
  3. Step 3: Cross multiply
    10,889.96x = 15,027.54 × 6,173.96
  4. Step 4: Simplify right side
    10,889.96x = 92,779,430.86
  5. Step 5: Solve for x
    x = 92,779,430.86/10,889.96
  6. Step 6: Final answer
    x = 8,519.72

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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.