Home / 11,297.80-16,938.28-4,714.64

Finding the Fourth Proportional to 11,297.80, 16,938.28 and 4,714.64

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Solution

The fourth proportional to 11,297.80, 16,938.28 and 4,714.64 is: 7,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.80 : 16,938.28 = 4,714.64 : x
  2. Step 2: Convert to fraction form
    11,297.80/16,938.28 = 4,714.64/x
  3. Step 3: Cross multiply
    11,297.80x = 16,938.28 × 4,714.64
  4. Step 4: Simplify right side
    11,297.80x = 79,857,892.42
  5. Step 5: Solve for x
    x = 79,857,892.42/11,297.80
  6. Step 6: Final answer
    x = 7,068.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.