Home / 10,897.84-16,343.57-4,971.38

Finding the Fourth Proportional to 10,897.84, 16,343.57 and 4,971.38

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Solution

The fourth proportional to 10,897.84, 16,343.57 and 4,971.38 is: 7,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.84 : 16,343.57 = 4,971.38 : x
  2. Step 2: Convert to fraction form
    10,897.84/16,343.57 = 4,971.38/x
  3. Step 3: Cross multiply
    10,897.84x = 16,343.57 × 4,971.38
  4. Step 4: Simplify right side
    10,897.84x = 81,250,027.74
  5. Step 5: Solve for x
    x = 81,250,027.74/10,897.84
  6. Step 6: Final answer
    x = 7,455.61

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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.