Home / 12,468.93-17,195.65-9,290.08

Finding the Fourth Proportional to 12,468.93, 17,195.65 and 9,290.08

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Solution

The fourth proportional to 12,468.93, 17,195.65 and 9,290.08 is: 12,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.93 : 17,195.65 = 9,290.08 : x
  2. Step 2: Convert to fraction form
    12,468.93/17,195.65 = 9,290.08/x
  3. Step 3: Cross multiply
    12,468.93x = 17,195.65 × 9,290.08
  4. Step 4: Simplify right side
    12,468.93x = 159,748,964.15
  5. Step 5: Solve for x
    x = 159,748,964.15/12,468.93
  6. Step 6: Final answer
    x = 12,811.76

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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.