Home / 8,175.17-11,283.89-4,820.22

Finding the Fourth Proportional to 8,175.17, 11,283.89 and 4,820.22

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Solution

The fourth proportional to 8,175.17, 11,283.89 and 4,820.22 is: 6,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.17 : 11,283.89 = 4,820.22 : x
  2. Step 2: Convert to fraction form
    8,175.17/11,283.89 = 4,820.22/x
  3. Step 3: Cross multiply
    8,175.17x = 11,283.89 × 4,820.22
  4. Step 4: Simplify right side
    8,175.17x = 54,390,862.55
  5. Step 5: Solve for x
    x = 54,390,862.55/8,175.17
  6. Step 6: Final answer
    x = 6,653.18

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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.