Home / 7,769.13-10,721.43-4,232.31

Finding the Fourth Proportional to 7,769.13, 10,721.43 and 4,232.31

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Solution

The fourth proportional to 7,769.13, 10,721.43 and 4,232.31 is: 5,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.13 : 10,721.43 = 4,232.31 : x
  2. Step 2: Convert to fraction form
    7,769.13/10,721.43 = 4,232.31/x
  3. Step 3: Cross multiply
    7,769.13x = 10,721.43 × 4,232.31
  4. Step 4: Simplify right side
    7,769.13x = 45,376,415.40
  5. Step 5: Solve for x
    x = 45,376,415.40/7,769.13
  6. Step 6: Final answer
    x = 5,840.60

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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.