Home / 10,839.76-14,958.84-6,124.04

Finding the Fourth Proportional to 10,839.76, 14,958.84 and 6,124.04

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Solution

The fourth proportional to 10,839.76, 14,958.84 and 6,124.04 is: 8,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.76 : 14,958.84 = 6,124.04 : x
  2. Step 2: Convert to fraction form
    10,839.76/14,958.84 = 6,124.04/x
  3. Step 3: Cross multiply
    10,839.76x = 14,958.84 × 6,124.04
  4. Step 4: Simplify right side
    10,839.76x = 91,608,534.51
  5. Step 5: Solve for x
    x = 91,608,534.51/10,839.76
  6. Step 6: Final answer
    x = 8,451.16

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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.