Home / 10,812.11-16,186.57-9,774.50

Finding the Fourth Proportional to 10,812.11, 16,186.57 and 9,774.50

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Solution

The fourth proportional to 10,812.11, 16,186.57 and 9,774.50 is: 14,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.11 : 16,186.57 = 9,774.50 : x
  2. Step 2: Convert to fraction form
    10,812.11/16,186.57 = 9,774.50/x
  3. Step 3: Cross multiply
    10,812.11x = 16,186.57 × 9,774.50
  4. Step 4: Simplify right side
    10,812.11x = 158,215,523.10
  5. Step 5: Solve for x
    x = 158,215,523.10/10,812.11
  6. Step 6: Final answer
    x = 14,633.18

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1.5x scale

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.