Home / 10,709.18-16,069.24-4,787.88

Finding the Fourth Proportional to 10,709.18, 16,069.24 and 4,787.88

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Solution

The fourth proportional to 10,709.18, 16,069.24 and 4,787.88 is: 7,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.18 : 16,069.24 = 4,787.88 : x
  2. Step 2: Convert to fraction form
    10,709.18/16,069.24 = 4,787.88/x
  3. Step 3: Cross multiply
    10,709.18x = 16,069.24 × 4,787.88
  4. Step 4: Simplify right side
    10,709.18x = 76,937,592.81
  5. Step 5: Solve for x
    x = 76,937,592.81/10,709.18
  6. Step 6: Final answer
    x = 7,184.27

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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.