Home / 10,742.84-16,118.88-5,816

Finding the Fourth Proportional to 10,742.84, 16,118.88 and 5,816

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Solution

The fourth proportional to 10,742.84, 16,118.88 and 5,816 is: 8,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.84 : 16,118.88 = 5,816 : x
  2. Step 2: Convert to fraction form
    10,742.84/16,118.88 = 5,816/x
  3. Step 3: Cross multiply
    10,742.84x = 16,118.88 × 5,816
  4. Step 4: Simplify right side
    10,742.84x = 93,747,406.08
  5. Step 5: Solve for x
    x = 93,747,406.08/10,742.84
  6. Step 6: Final answer
    x = 8,726.50

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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.