Home / 10,085.72-15,133.68-4,537.92

Finding the Fourth Proportional to 10,085.72, 15,133.68 and 4,537.92

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Solution

The fourth proportional to 10,085.72, 15,133.68 and 4,537.92 is: 6,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.72 : 15,133.68 = 4,537.92 : x
  2. Step 2: Convert to fraction form
    10,085.72/15,133.68 = 4,537.92/x
  3. Step 3: Cross multiply
    10,085.72x = 15,133.68 × 4,537.92
  4. Step 4: Simplify right side
    10,085.72x = 68,675,429.15
  5. Step 5: Solve for x
    x = 68,675,429.15/10,085.72
  6. Step 6: Final answer
    x = 6,809.17

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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.