Home / 10,451.74-15,677.44-4,211.61

Finding the Fourth Proportional to 10,451.74, 15,677.44 and 4,211.61

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Solution

The fourth proportional to 10,451.74, 15,677.44 and 4,211.61 is: 6,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.74 : 15,677.44 = 4,211.61 : x
  2. Step 2: Convert to fraction form
    10,451.74/15,677.44 = 4,211.61/x
  3. Step 3: Cross multiply
    10,451.74x = 15,677.44 × 4,211.61
  4. Step 4: Simplify right side
    10,451.74x = 66,027,263.08
  5. Step 5: Solve for x
    x = 66,027,263.08/10,451.74
  6. Step 6: Final answer
    x = 6,317.35

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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.