Home / 12,646.95-17,451.43-7,268.30

Finding the Fourth Proportional to 12,646.95, 17,451.43 and 7,268.30

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Solution

The fourth proportional to 12,646.95, 17,451.43 and 7,268.30 is: 10,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.95 : 17,451.43 = 7,268.30 : x
  2. Step 2: Convert to fraction form
    12,646.95/17,451.43 = 7,268.30/x
  3. Step 3: Cross multiply
    12,646.95x = 17,451.43 × 7,268.30
  4. Step 4: Simplify right side
    12,646.95x = 126,842,228.67
  5. Step 5: Solve for x
    x = 126,842,228.67/12,646.95
  6. Step 6: Final answer
    x = 10,029.47

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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.