Home / 12,503.46-18,764.40-5,929.62

Finding the Fourth Proportional to 12,503.46, 18,764.40 and 5,929.62

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Solution

The fourth proportional to 12,503.46, 18,764.40 and 5,929.62 is: 8,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.46 : 18,764.40 = 5,929.62 : x
  2. Step 2: Convert to fraction form
    12,503.46/18,764.40 = 5,929.62/x
  3. Step 3: Cross multiply
    12,503.46x = 18,764.40 × 5,929.62
  4. Step 4: Simplify right side
    12,503.46x = 111,265,761.53
  5. Step 5: Solve for x
    x = 111,265,761.53/12,503.46
  6. Step 6: Final answer
    x = 8,898.80

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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.