Home / 12,559.14-17,313.12-9,569.79

Finding the Fourth Proportional to 12,559.14, 17,313.12 and 9,569.79

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Solution

The fourth proportional to 12,559.14, 17,313.12 and 9,569.79 is: 13,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.14 : 17,313.12 = 9,569.79 : x
  2. Step 2: Convert to fraction form
    12,559.14/17,313.12 = 9,569.79/x
  3. Step 3: Cross multiply
    12,559.14x = 17,313.12 × 9,569.79
  4. Step 4: Simplify right side
    12,559.14x = 165,682,922.64
  5. Step 5: Solve for x
    x = 165,682,922.64/12,559.14
  6. Step 6: Final answer
    x = 13,192.22

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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.