Home / 10,291.44-14,202.10-5,815.14

Finding the Fourth Proportional to 10,291.44, 14,202.10 and 5,815.14

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Solution

The fourth proportional to 10,291.44, 14,202.10 and 5,815.14 is: 8,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.44 : 14,202.10 = 5,815.14 : x
  2. Step 2: Convert to fraction form
    10,291.44/14,202.10 = 5,815.14/x
  3. Step 3: Cross multiply
    10,291.44x = 14,202.10 × 5,815.14
  4. Step 4: Simplify right side
    10,291.44x = 82,587,199.79
  5. Step 5: Solve for x
    x = 82,587,199.79/10,291.44
  6. Step 6: Final answer
    x = 8,024.84

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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.