Home / 10,547.15-15,819.62-2,755.94

Finding the Fourth Proportional to 10,547.15, 15,819.62 and 2,755.94

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Solution

The fourth proportional to 10,547.15, 15,819.62 and 2,755.94 is: 4,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.15 : 15,819.62 = 2,755.94 : x
  2. Step 2: Convert to fraction form
    10,547.15/15,819.62 = 2,755.94/x
  3. Step 3: Cross multiply
    10,547.15x = 15,819.62 × 2,755.94
  4. Step 4: Simplify right side
    10,547.15x = 43,597,830.67
  5. Step 5: Solve for x
    x = 43,597,830.67/10,547.15
  6. Step 6: Final answer
    x = 4,133.61

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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.