Home / 10,291.66-14,201.53-5,815.75

Finding the Fourth Proportional to 10,291.66, 14,201.53 and 5,815.75

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Solution

The fourth proportional to 10,291.66, 14,201.53 and 5,815.75 is: 8,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.66 : 14,201.53 = 5,815.75 : x
  2. Step 2: Convert to fraction form
    10,291.66/14,201.53 = 5,815.75/x
  3. Step 3: Cross multiply
    10,291.66x = 14,201.53 × 5,815.75
  4. Step 4: Simplify right side
    10,291.66x = 82,592,524.68
  5. Step 5: Solve for x
    x = 82,592,524.68/10,291.66
  6. Step 6: Final answer
    x = 8,025.19

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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.