Home / 12,491.13-17,237.76-6,902.13

Finding the Fourth Proportional to 12,491.13, 17,237.76 and 6,902.13

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Solution

The fourth proportional to 12,491.13, 17,237.76 and 6,902.13 is: 9,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491.13 : 17,237.76 = 6,902.13 : x
  2. Step 2: Convert to fraction form
    12,491.13/17,237.76 = 6,902.13/x
  3. Step 3: Cross multiply
    12,491.13x = 17,237.76 × 6,902.13
  4. Step 4: Simplify right side
    12,491.13x = 118,977,260.43
  5. Step 5: Solve for x
    x = 118,977,260.43/12,491.13
  6. Step 6: Final answer
    x = 9,524.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.