Home / 10,812.13-16,219.07-3,417.01

Finding the Fourth Proportional to 10,812.13, 16,219.07 and 3,417.01

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Solution

The fourth proportional to 10,812.13, 16,219.07 and 3,417.01 is: 5,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.13 : 16,219.07 = 3,417.01 : x
  2. Step 2: Convert to fraction form
    10,812.13/16,219.07 = 3,417.01/x
  3. Step 3: Cross multiply
    10,812.13x = 16,219.07 × 3,417.01
  4. Step 4: Simplify right side
    10,812.13x = 55,420,724.38
  5. Step 5: Solve for x
    x = 55,420,724.38/10,812.13
  6. Step 6: Final answer
    x = 5,125.79

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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.