Home / 8,726.60-13,100.58-5,767.60

Finding the Fourth Proportional to 8,726.60, 13,100.58 and 5,767.60

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Solution

The fourth proportional to 8,726.60, 13,100.58 and 5,767.60 is: 8,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.60 : 13,100.58 = 5,767.60 : x
  2. Step 2: Convert to fraction form
    8,726.60/13,100.58 = 5,767.60/x
  3. Step 3: Cross multiply
    8,726.60x = 13,100.58 × 5,767.60
  4. Step 4: Simplify right side
    8,726.60x = 75,558,905.21
  5. Step 5: Solve for x
    x = 75,558,905.21/8,726.60
  6. Step 6: Final answer
    x = 8,658.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.