Home / 10,276.89-14,178.32-6,744.90

Finding the Fourth Proportional to 10,276.89, 14,178.32 and 6,744.90

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Solution

The fourth proportional to 10,276.89, 14,178.32 and 6,744.90 is: 9,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.89 : 14,178.32 = 6,744.90 : x
  2. Step 2: Convert to fraction form
    10,276.89/14,178.32 = 6,744.90/x
  3. Step 3: Cross multiply
    10,276.89x = 14,178.32 × 6,744.90
  4. Step 4: Simplify right side
    10,276.89x = 95,631,316.84
  5. Step 5: Solve for x
    x = 95,631,316.84/10,276.89
  6. Step 6: Final answer
    x = 9,305.47

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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.