Home / 12,610.01-17,403.89-9,620.19

Finding the Fourth Proportional to 12,610.01, 17,403.89 and 9,620.19

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Solution

The fourth proportional to 12,610.01, 17,403.89 and 9,620.19 is: 13,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.01 : 17,403.89 = 9,620.19 : x
  2. Step 2: Convert to fraction form
    12,610.01/17,403.89 = 9,620.19/x
  3. Step 3: Cross multiply
    12,610.01x = 17,403.89 × 9,620.19
  4. Step 4: Simplify right side
    12,610.01x = 167,428,680.44
  5. Step 5: Solve for x
    x = 167,428,680.44/12,610.01
  6. Step 6: Final answer
    x = 13,277.45

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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.