Home / 11,825.74-16,319.30-6,448.24

Finding the Fourth Proportional to 11,825.74, 16,319.30 and 6,448.24

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Solution

The fourth proportional to 11,825.74, 16,319.30 and 6,448.24 is: 8,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.74 : 16,319.30 = 6,448.24 : x
  2. Step 2: Convert to fraction form
    11,825.74/16,319.30 = 6,448.24/x
  3. Step 3: Cross multiply
    11,825.74x = 16,319.30 × 6,448.24
  4. Step 4: Simplify right side
    11,825.74x = 105,230,763.03
  5. Step 5: Solve for x
    x = 105,230,763.03/11,825.74
  6. Step 6: Final answer
    x = 8,898.45

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Double scale
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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.