Home / 11,717.70-16,158.15-7,733.58

Finding the Fourth Proportional to 11,717.70, 16,158.15 and 7,733.58

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Solution

The fourth proportional to 11,717.70, 16,158.15 and 7,733.58 is: 10,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.70 : 16,158.15 = 7,733.58 : x
  2. Step 2: Convert to fraction form
    11,717.70/16,158.15 = 7,733.58/x
  3. Step 3: Cross multiply
    11,717.70x = 16,158.15 × 7,733.58
  4. Step 4: Simplify right side
    11,717.70x = 124,960,345.68
  5. Step 5: Solve for x
    x = 124,960,345.68/11,717.70
  6. Step 6: Final answer
    x = 10,664.24

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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.