Home / 12,349.94-17,040.24-7,315.72

Finding the Fourth Proportional to 12,349.94, 17,040.24 and 7,315.72

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Solution

The fourth proportional to 12,349.94, 17,040.24 and 7,315.72 is: 10,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.94 : 17,040.24 = 7,315.72 : x
  2. Step 2: Convert to fraction form
    12,349.94/17,040.24 = 7,315.72/x
  3. Step 3: Cross multiply
    12,349.94x = 17,040.24 × 7,315.72
  4. Step 4: Simplify right side
    12,349.94x = 124,661,581.97
  5. Step 5: Solve for x
    x = 124,661,581.97/12,349.94
  6. Step 6: Final answer
    x = 10,094.11

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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.