Home / 10,623.22-14,646.27-6,839.62

Finding the Fourth Proportional to 10,623.22, 14,646.27 and 6,839.62

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Solution

The fourth proportional to 10,623.22, 14,646.27 and 6,839.62 is: 9,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.22 : 14,646.27 = 6,839.62 : x
  2. Step 2: Convert to fraction form
    10,623.22/14,646.27 = 6,839.62/x
  3. Step 3: Cross multiply
    10,623.22x = 14,646.27 × 6,839.62
  4. Step 4: Simplify right side
    10,623.22x = 100,174,921.22
  5. Step 5: Solve for x
    x = 100,174,921.22/10,623.22
  6. Step 6: Final answer
    x = 9,429.81

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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.