Home / 8,539.11-11,782.49-4,761.45

Finding the Fourth Proportional to 8,539.11, 11,782.49 and 4,761.45

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Solution

The fourth proportional to 8,539.11, 11,782.49 and 4,761.45 is: 6,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.11 : 11,782.49 = 4,761.45 : x
  2. Step 2: Convert to fraction form
    8,539.11/11,782.49 = 4,761.45/x
  3. Step 3: Cross multiply
    8,539.11x = 11,782.49 × 4,761.45
  4. Step 4: Simplify right side
    8,539.11x = 56,101,713.20
  5. Step 5: Solve for x
    x = 56,101,713.20/8,539.11
  6. Step 6: Final answer
    x = 6,569.97

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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.