Home / 10,431.04-14,394.18-5,714.44

Finding the Fourth Proportional to 10,431.04, 14,394.18 and 5,714.44

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Solution

The fourth proportional to 10,431.04, 14,394.18 and 5,714.44 is: 7,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.04 : 14,394.18 = 5,714.44 : x
  2. Step 2: Convert to fraction form
    10,431.04/14,394.18 = 5,714.44/x
  3. Step 3: Cross multiply
    10,431.04x = 14,394.18 × 5,714.44
  4. Step 4: Simplify right side
    10,431.04x = 82,254,677.96
  5. Step 5: Solve for x
    x = 82,254,677.96/10,431.04
  6. Step 6: Final answer
    x = 7,885.57

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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.