Home / 12,559.07-17,332.38-8,302.75

Finding the Fourth Proportional to 12,559.07, 17,332.38 and 8,302.75

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Solution

The fourth proportional to 12,559.07, 17,332.38 and 8,302.75 is: 11,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.07 : 17,332.38 = 8,302.75 : x
  2. Step 2: Convert to fraction form
    12,559.07/17,332.38 = 8,302.75/x
  3. Step 3: Cross multiply
    12,559.07x = 17,332.38 × 8,302.75
  4. Step 4: Simplify right side
    12,559.07x = 143,906,374.71
  5. Step 5: Solve for x
    x = 143,906,374.71/12,559.07
  6. Step 6: Final answer
    x = 11,458.37

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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.