Home / 8,052.04-11,106.19-7,781.09

Finding the Fourth Proportional to 8,052.04, 11,106.19 and 7,781.09

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Solution

The fourth proportional to 8,052.04, 11,106.19 and 7,781.09 is: 10,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.04 : 11,106.19 = 7,781.09 : x
  2. Step 2: Convert to fraction form
    8,052.04/11,106.19 = 7,781.09/x
  3. Step 3: Cross multiply
    8,052.04x = 11,106.19 × 7,781.09
  4. Step 4: Simplify right side
    8,052.04x = 86,418,225.04
  5. Step 5: Solve for x
    x = 86,418,225.04/8,052.04
  6. Step 6: Final answer
    x = 10,732.47

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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.