Home / 10,165.14-15,242.58-3,590.37

Finding the Fourth Proportional to 10,165.14, 15,242.58 and 3,590.37

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Solution

The fourth proportional to 10,165.14, 15,242.58 and 3,590.37 is: 5,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.14 : 15,242.58 = 3,590.37 : x
  2. Step 2: Convert to fraction form
    10,165.14/15,242.58 = 3,590.37/x
  3. Step 3: Cross multiply
    10,165.14x = 15,242.58 × 3,590.37
  4. Step 4: Simplify right side
    10,165.14x = 54,726,501.95
  5. Step 5: Solve for x
    x = 54,726,501.95/10,165.14
  6. Step 6: Final answer
    x = 5,383.74

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1.5x scale

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.