Home / 10,458.39-14,432.50-6,211.54

Finding the Fourth Proportional to 10,458.39, 14,432.50 and 6,211.54

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Solution

The fourth proportional to 10,458.39, 14,432.50 and 6,211.54 is: 8,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.39 : 14,432.50 = 6,211.54 : x
  2. Step 2: Convert to fraction form
    10,458.39/14,432.50 = 6,211.54/x
  3. Step 3: Cross multiply
    10,458.39x = 14,432.50 × 6,211.54
  4. Step 4: Simplify right side
    10,458.39x = 89,648,051.05
  5. Step 5: Solve for x
    x = 89,648,051.05/10,458.39
  6. Step 6: Final answer
    x = 8,571.88

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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.