Home / 10,516.14-15,780.32-4,596.86

Finding the Fourth Proportional to 10,516.14, 15,780.32 and 4,596.86

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Solution

The fourth proportional to 10,516.14, 15,780.32 and 4,596.86 is: 6,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.14 : 15,780.32 = 4,596.86 : x
  2. Step 2: Convert to fraction form
    10,516.14/15,780.32 = 4,596.86/x
  3. Step 3: Cross multiply
    10,516.14x = 15,780.32 × 4,596.86
  4. Step 4: Simplify right side
    10,516.14x = 72,539,921.80
  5. Step 5: Solve for x
    x = 72,539,921.80/10,516.14
  6. Step 6: Final answer
    x = 6,897.96

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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.