Home / 8,952.51-12,356.11-5,175.28

Finding the Fourth Proportional to 8,952.51, 12,356.11 and 5,175.28

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Solution

The fourth proportional to 8,952.51, 12,356.11 and 5,175.28 is: 7,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.51 : 12,356.11 = 5,175.28 : x
  2. Step 2: Convert to fraction form
    8,952.51/12,356.11 = 5,175.28/x
  3. Step 3: Cross multiply
    8,952.51x = 12,356.11 × 5,175.28
  4. Step 4: Simplify right side
    8,952.51x = 63,946,328.96
  5. Step 5: Solve for x
    x = 63,946,328.96/8,952.51
  6. Step 6: Final answer
    x = 7,142.84

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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.