Home / 10,812.38-14,921.53-6,832.04

Finding the Fourth Proportional to 10,812.38, 14,921.53 and 6,832.04

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Solution

The fourth proportional to 10,812.38, 14,921.53 and 6,832.04 is: 9,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.38 : 14,921.53 = 6,832.04 : x
  2. Step 2: Convert to fraction form
    10,812.38/14,921.53 = 6,832.04/x
  3. Step 3: Cross multiply
    10,812.38x = 14,921.53 × 6,832.04
  4. Step 4: Simplify right side
    10,812.38x = 101,944,418.36
  5. Step 5: Solve for x
    x = 101,944,418.36/10,812.38
  6. Step 6: Final answer
    x = 9,428.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.