Home / 10,537.12-15,808.33-4,988.97

Finding the Fourth Proportional to 10,537.12, 15,808.33 and 4,988.97

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Solution

The fourth proportional to 10,537.12, 15,808.33 and 4,988.97 is: 7,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.12 : 15,808.33 = 4,988.97 : x
  2. Step 2: Convert to fraction form
    10,537.12/15,808.33 = 4,988.97/x
  3. Step 3: Cross multiply
    10,537.12x = 15,808.33 × 4,988.97
  4. Step 4: Simplify right side
    10,537.12x = 78,867,284.12
  5. Step 5: Solve for x
    x = 78,867,284.12/10,537.12
  6. Step 6: Final answer
    x = 7,484.71

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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.