Home / 12,193.19-16,824.32-7,713.79

Finding the Fourth Proportional to 12,193.19, 16,824.32 and 7,713.79

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Solution

The fourth proportional to 12,193.19, 16,824.32 and 7,713.79 is: 10,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.19 : 16,824.32 = 7,713.79 : x
  2. Step 2: Convert to fraction form
    12,193.19/16,824.32 = 7,713.79/x
  3. Step 3: Cross multiply
    12,193.19x = 16,824.32 × 7,713.79
  4. Step 4: Simplify right side
    12,193.19x = 129,779,245.29
  5. Step 5: Solve for x
    x = 129,779,245.29/12,193.19
  6. Step 6: Final answer
    x = 10,643.58

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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.