Home / 11,653.17-16,081.37-6,347.99

Finding the Fourth Proportional to 11,653.17, 16,081.37 and 6,347.99

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Solution

The fourth proportional to 11,653.17, 16,081.37 and 6,347.99 is: 8,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.17 : 16,081.37 = 6,347.99 : x
  2. Step 2: Convert to fraction form
    11,653.17/16,081.37 = 6,347.99/x
  3. Step 3: Cross multiply
    11,653.17x = 16,081.37 × 6,347.99
  4. Step 4: Simplify right side
    11,653.17x = 102,084,317.76
  5. Step 5: Solve for x
    x = 102,084,317.76/11,653.17
  6. Step 6: Final answer
    x = 8,760.22

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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.