Home / 10,291.56-14,202.63-5,815.22

Finding the Fourth Proportional to 10,291.56, 14,202.63 and 5,815.22

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Solution

The fourth proportional to 10,291.56, 14,202.63 and 5,815.22 is: 8,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.56 : 14,202.63 = 5,815.22 : x
  2. Step 2: Convert to fraction form
    10,291.56/14,202.63 = 5,815.22/x
  3. Step 3: Cross multiply
    10,291.56x = 14,202.63 × 5,815.22
  4. Step 4: Simplify right side
    10,291.56x = 82,591,325.21
  5. Step 5: Solve for x
    x = 82,591,325.21/10,291.56
  6. Step 6: Final answer
    x = 8,025.15

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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.