Home / 10,821.13-14,933.22-6,629.38

Finding the Fourth Proportional to 10,821.13, 14,933.22 and 6,629.38

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Solution

The fourth proportional to 10,821.13, 14,933.22 and 6,629.38 is: 9,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.13 : 14,933.22 = 6,629.38 : x
  2. Step 2: Convert to fraction form
    10,821.13/14,933.22 = 6,629.38/x
  3. Step 3: Cross multiply
    10,821.13x = 14,933.22 × 6,629.38
  4. Step 4: Simplify right side
    10,821.13x = 98,997,990.00
  5. Step 5: Solve for x
    x = 98,997,990.00/10,821.13
  6. Step 6: Final answer
    x = 9,148.58

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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.