Home / 11,828.20-16,314.73-9,590.17

Finding the Fourth Proportional to 11,828.20, 16,314.73 and 9,590.17

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Solution

The fourth proportional to 11,828.20, 16,314.73 and 9,590.17 is: 13,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.20 : 16,314.73 = 9,590.17 : x
  2. Step 2: Convert to fraction form
    11,828.20/16,314.73 = 9,590.17/x
  3. Step 3: Cross multiply
    11,828.20x = 16,314.73 × 9,590.17
  4. Step 4: Simplify right side
    11,828.20x = 156,461,034.20
  5. Step 5: Solve for x
    x = 156,461,034.20/11,828.20
  6. Step 6: Final answer
    x = 13,227.80

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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.