Home / 9,355.36-12,910.20-5,106.51

Finding the Fourth Proportional to 9,355.36, 12,910.20 and 5,106.51

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Solution

The fourth proportional to 9,355.36, 12,910.20 and 5,106.51 is: 7,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.36 : 12,910.20 = 5,106.51 : x
  2. Step 2: Convert to fraction form
    9,355.36/12,910.20 = 5,106.51/x
  3. Step 3: Cross multiply
    9,355.36x = 12,910.20 × 5,106.51
  4. Step 4: Simplify right side
    9,355.36x = 65,926,013.62
  5. Step 5: Solve for x
    x = 65,926,013.62/9,355.36
  6. Step 6: Final answer
    x = 7,046.87

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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.