Home / 11,639.47-16,040.56-10,493.34

Finding the Fourth Proportional to 11,639.47, 16,040.56 and 10,493.34

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Solution

The fourth proportional to 11,639.47, 16,040.56 and 10,493.34 is: 14,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.47 : 16,040.56 = 10,493.34 : x
  2. Step 2: Convert to fraction form
    11,639.47/16,040.56 = 10,493.34/x
  3. Step 3: Cross multiply
    11,639.47x = 16,040.56 × 10,493.34
  4. Step 4: Simplify right side
    11,639.47x = 168,319,049.87
  5. Step 5: Solve for x
    x = 168,319,049.87/11,639.47
  6. Step 6: Final answer
    x = 14,461.06

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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.