Home / 10,031.60-15,040.46-4,406.56

Finding the Fourth Proportional to 10,031.60, 15,040.46 and 4,406.56

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Solution

The fourth proportional to 10,031.60, 15,040.46 and 4,406.56 is: 6,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.60 : 15,040.46 = 4,406.56 : x
  2. Step 2: Convert to fraction form
    10,031.60/15,040.46 = 4,406.56/x
  3. Step 3: Cross multiply
    10,031.60x = 15,040.46 × 4,406.56
  4. Step 4: Simplify right side
    10,031.60x = 66,276,614.22
  5. Step 5: Solve for x
    x = 66,276,614.22/10,031.60
  6. Step 6: Final answer
    x = 6,606.78

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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.