Home / 7,772.84-10,726.56-4,236.08

Finding the Fourth Proportional to 7,772.84, 10,726.56 and 4,236.08

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Solution

The fourth proportional to 7,772.84, 10,726.56 and 4,236.08 is: 5,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.84 : 10,726.56 = 4,236.08 : x
  2. Step 2: Convert to fraction form
    7,772.84/10,726.56 = 4,236.08/x
  3. Step 3: Cross multiply
    7,772.84x = 10,726.56 × 4,236.08
  4. Step 4: Simplify right side
    7,772.84x = 45,438,566.28
  5. Step 5: Solve for x
    x = 45,438,566.28/7,772.84
  6. Step 6: Final answer
    x = 5,845.81

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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.