Home / 10,499.38-15,749.37-3,924.30

Finding the Fourth Proportional to 10,499.38, 15,749.37 and 3,924.30

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Solution

The fourth proportional to 10,499.38, 15,749.37 and 3,924.30 is: 5,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.38 : 15,749.37 = 3,924.30 : x
  2. Step 2: Convert to fraction form
    10,499.38/15,749.37 = 3,924.30/x
  3. Step 3: Cross multiply
    10,499.38x = 15,749.37 × 3,924.30
  4. Step 4: Simplify right side
    10,499.38x = 61,805,311.75
  5. Step 5: Solve for x
    x = 61,805,311.75/10,499.38
  6. Step 6: Final answer
    x = 5,886.57

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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.