Home / 7,726.60-11,605.40-4,612.68

Finding the Fourth Proportional to 7,726.60, 11,605.40 and 4,612.68

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Solution

The fourth proportional to 7,726.60, 11,605.40 and 4,612.68 is: 6,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.60 : 11,605.40 = 4,612.68 : x
  2. Step 2: Convert to fraction form
    7,726.60/11,605.40 = 4,612.68/x
  3. Step 3: Cross multiply
    7,726.60x = 11,605.40 × 4,612.68
  4. Step 4: Simplify right side
    7,726.60x = 53,531,996.47
  5. Step 5: Solve for x
    x = 53,531,996.47/7,726.60
  6. Step 6: Final answer
    x = 6,928.27

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1.5x scale

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.