Home / 12,409.93-17,125.30-9,066.88

Finding the Fourth Proportional to 12,409.93, 17,125.30 and 9,066.88

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Solution

The fourth proportional to 12,409.93, 17,125.30 and 9,066.88 is: 12,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.93 : 17,125.30 = 9,066.88 : x
  2. Step 2: Convert to fraction form
    12,409.93/17,125.30 = 9,066.88/x
  3. Step 3: Cross multiply
    12,409.93x = 17,125.30 × 9,066.88
  4. Step 4: Simplify right side
    12,409.93x = 155,273,040.06
  5. Step 5: Solve for x
    x = 155,273,040.06/12,409.93
  6. Step 6: Final answer
    x = 12,512.00

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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.