Home / 10,776.32-16,141.76-4,937.84

Finding the Fourth Proportional to 10,776.32, 16,141.76 and 4,937.84

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Solution

The fourth proportional to 10,776.32, 16,141.76 and 4,937.84 is: 7,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.32 : 16,141.76 = 4,937.84 : x
  2. Step 2: Convert to fraction form
    10,776.32/16,141.76 = 4,937.84/x
  3. Step 3: Cross multiply
    10,776.32x = 16,141.76 × 4,937.84
  4. Step 4: Simplify right side
    10,776.32x = 79,705,428.20
  5. Step 5: Solve for x
    x = 79,705,428.20/10,776.32
  6. Step 6: Final answer
    x = 7,396.35

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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.