Home / 12,633.27-17,430.09-7,327.06

Finding the Fourth Proportional to 12,633.27, 17,430.09 and 7,327.06

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Solution

The fourth proportional to 12,633.27, 17,430.09 and 7,327.06 is: 10,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.27 : 17,430.09 = 7,327.06 : x
  2. Step 2: Convert to fraction form
    12,633.27/17,430.09 = 7,327.06/x
  3. Step 3: Cross multiply
    12,633.27x = 17,430.09 × 7,327.06
  4. Step 4: Simplify right side
    12,633.27x = 127,711,244.18
  5. Step 5: Solve for x
    x = 127,711,244.18/12,633.27
  6. Step 6: Final answer
    x = 10,109.12

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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.