Home / 12,582.65-17,364.47-6,917.63

Finding the Fourth Proportional to 12,582.65, 17,364.47 and 6,917.63

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Solution

The fourth proportional to 12,582.65, 17,364.47 and 6,917.63 is: 9,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.65 : 17,364.47 = 6,917.63 : x
  2. Step 2: Convert to fraction form
    12,582.65/17,364.47 = 6,917.63/x
  3. Step 3: Cross multiply
    12,582.65x = 17,364.47 × 6,917.63
  4. Step 4: Simplify right side
    12,582.65x = 120,120,978.61
  5. Step 5: Solve for x
    x = 120,120,978.61/12,582.65
  6. Step 6: Final answer
    x = 9,546.56

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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.