Home / 8,432.91-11,638.53-4,896.18

Finding the Fourth Proportional to 8,432.91, 11,638.53 and 4,896.18

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Solution

The fourth proportional to 8,432.91, 11,638.53 and 4,896.18 is: 6,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.91 : 11,638.53 = 4,896.18 : x
  2. Step 2: Convert to fraction form
    8,432.91/11,638.53 = 4,896.18/x
  3. Step 3: Cross multiply
    8,432.91x = 11,638.53 × 4,896.18
  4. Step 4: Simplify right side
    8,432.91x = 56,984,337.82
  5. Step 5: Solve for x
    x = 56,984,337.82/8,432.91
  6. Step 6: Final answer
    x = 6,757.38

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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.