Home / 11,212.48-15,472.30-6,432.37

Finding the Fourth Proportional to 11,212.48, 15,472.30 and 6,432.37

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Solution

The fourth proportional to 11,212.48, 15,472.30 and 6,432.37 is: 8,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.48 : 15,472.30 = 6,432.37 : x
  2. Step 2: Convert to fraction form
    11,212.48/15,472.30 = 6,432.37/x
  3. Step 3: Cross multiply
    11,212.48x = 15,472.30 × 6,432.37
  4. Step 4: Simplify right side
    11,212.48x = 99,523,558.35
  5. Step 5: Solve for x
    x = 99,523,558.35/11,212.48
  6. Step 6: Final answer
    x = 8,876.14

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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.