Home / 10,749.19-16,124.49-2,851.59

Finding the Fourth Proportional to 10,749.19, 16,124.49 and 2,851.59

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Solution

The fourth proportional to 10,749.19, 16,124.49 and 2,851.59 is: 4,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.19 : 16,124.49 = 2,851.59 : x
  2. Step 2: Convert to fraction form
    10,749.19/16,124.49 = 2,851.59/x
  3. Step 3: Cross multiply
    10,749.19x = 16,124.49 × 2,851.59
  4. Step 4: Simplify right side
    10,749.19x = 45,980,470.02
  5. Step 5: Solve for x
    x = 45,980,470.02/10,749.19
  6. Step 6: Final answer
    x = 4,277.58

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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.