Home / 12,236.48-18,358.88-4,445.92

Finding the Fourth Proportional to 12,236.48, 18,358.88 and 4,445.92

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Solution

The fourth proportional to 12,236.48, 18,358.88 and 4,445.92 is: 6,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.48 : 18,358.88 = 4,445.92 : x
  2. Step 2: Convert to fraction form
    12,236.48/18,358.88 = 4,445.92/x
  3. Step 3: Cross multiply
    12,236.48x = 18,358.88 × 4,445.92
  4. Step 4: Simplify right side
    12,236.48x = 81,622,111.77
  5. Step 5: Solve for x
    x = 81,622,111.77/12,236.48
  6. Step 6: Final answer
    x = 6,670.39

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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.