Home / 8,052.29-11,106.53-7,781.34

Finding the Fourth Proportional to 8,052.29, 11,106.53 and 7,781.34

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Solution

The fourth proportional to 8,052.29, 11,106.53 and 7,781.34 is: 10,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.29 : 11,106.53 = 7,781.34 : x
  2. Step 2: Convert to fraction form
    8,052.29/11,106.53 = 7,781.34/x
  3. Step 3: Cross multiply
    8,052.29x = 11,106.53 × 7,781.34
  4. Step 4: Simplify right side
    8,052.29x = 86,423,705.60
  5. Step 5: Solve for x
    x = 86,423,705.60/8,052.29
  6. Step 6: Final answer
    x = 10,732.82

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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.