Home / 12,476.84-17,219.21-7,441.27

Finding the Fourth Proportional to 12,476.84, 17,219.21 and 7,441.27

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Solution

The fourth proportional to 12,476.84, 17,219.21 and 7,441.27 is: 10,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.84 : 17,219.21 = 7,441.27 : x
  2. Step 2: Convert to fraction form
    12,476.84/17,219.21 = 7,441.27/x
  3. Step 3: Cross multiply
    12,476.84x = 17,219.21 × 7,441.27
  4. Step 4: Simplify right side
    12,476.84x = 128,132,731.47
  5. Step 5: Solve for x
    x = 128,132,731.47/12,476.84
  6. Step 6: Final answer
    x = 10,269.65

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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.