Home / 12,513.90-17,268.75-6,924.54

Finding the Fourth Proportional to 12,513.90, 17,268.75 and 6,924.54

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Solution

The fourth proportional to 12,513.90, 17,268.75 and 6,924.54 is: 9,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.90 : 17,268.75 = 6,924.54 : x
  2. Step 2: Convert to fraction form
    12,513.90/17,268.75 = 6,924.54/x
  3. Step 3: Cross multiply
    12,513.90x = 17,268.75 × 6,924.54
  4. Step 4: Simplify right side
    12,513.90x = 119,578,150.13
  5. Step 5: Solve for x
    x = 119,578,150.13/12,513.90
  6. Step 6: Final answer
    x = 9,555.63

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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.