Home / 8,175.42-11,281.73-4,638.56

Finding the Fourth Proportional to 8,175.42, 11,281.73 and 4,638.56

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Solution

The fourth proportional to 8,175.42, 11,281.73 and 4,638.56 is: 6,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.42 : 11,281.73 = 4,638.56 : x
  2. Step 2: Convert to fraction form
    8,175.42/11,281.73 = 4,638.56/x
  3. Step 3: Cross multiply
    8,175.42x = 11,281.73 × 4,638.56
  4. Step 4: Simplify right side
    8,175.42x = 52,330,901.91
  5. Step 5: Solve for x
    x = 52,330,901.91/8,175.42
  6. Step 6: Final answer
    x = 6,401.00

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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.