Home / 10,645.94-14,693.85-6,172.17

Finding the Fourth Proportional to 10,645.94, 14,693.85 and 6,172.17

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Solution

The fourth proportional to 10,645.94, 14,693.85 and 6,172.17 is: 8,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.94 : 14,693.85 = 6,172.17 : x
  2. Step 2: Convert to fraction form
    10,645.94/14,693.85 = 6,172.17/x
  3. Step 3: Cross multiply
    10,645.94x = 14,693.85 × 6,172.17
  4. Step 4: Simplify right side
    10,645.94x = 90,692,940.15
  5. Step 5: Solve for x
    x = 90,692,940.15/10,645.94
  6. Step 6: Final answer
    x = 8,519.02

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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.