Home / 10,943.64-16,415.34-5,097

Finding the Fourth Proportional to 10,943.64, 16,415.34 and 5,097

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Solution

The fourth proportional to 10,943.64, 16,415.34 and 5,097 is: 7,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.64 : 16,415.34 = 5,097 : x
  2. Step 2: Convert to fraction form
    10,943.64/16,415.34 = 5,097/x
  3. Step 3: Cross multiply
    10,943.64x = 16,415.34 × 5,097
  4. Step 4: Simplify right side
    10,943.64x = 83,668,987.98
  5. Step 5: Solve for x
    x = 83,668,987.98/10,943.64
  6. Step 6: Final answer
    x = 7,645.44

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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.