Home / 10,637.42-15,956.12-4,787.19

Finding the Fourth Proportional to 10,637.42, 15,956.12 and 4,787.19

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Solution

The fourth proportional to 10,637.42, 15,956.12 and 4,787.19 is: 7,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.42 : 15,956.12 = 4,787.19 : x
  2. Step 2: Convert to fraction form
    10,637.42/15,956.12 = 4,787.19/x
  3. Step 3: Cross multiply
    10,637.42x = 15,956.12 × 4,787.19
  4. Step 4: Simplify right side
    10,637.42x = 76,384,954.17
  5. Step 5: Solve for x
    x = 76,384,954.17/10,637.42
  6. Step 6: Final answer
    x = 7,180.78

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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.