Home / 7,663.96-10,577.66-4,520.28

Finding the Fourth Proportional to 7,663.96, 10,577.66 and 4,520.28

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Solution

The fourth proportional to 7,663.96, 10,577.66 and 4,520.28 is: 6,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.96 : 10,577.66 = 4,520.28 : x
  2. Step 2: Convert to fraction form
    7,663.96/10,577.66 = 4,520.28/x
  3. Step 3: Cross multiply
    7,663.96x = 10,577.66 × 4,520.28
  4. Step 4: Simplify right side
    7,663.96x = 47,813,984.94
  5. Step 5: Solve for x
    x = 47,813,984.94/7,663.96
  6. Step 6: Final answer
    x = 6,238.81

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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.