Home / 12,715.03-17,546.77-7,126.03

Finding the Fourth Proportional to 12,715.03, 17,546.77 and 7,126.03

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Solution

The fourth proportional to 12,715.03, 17,546.77 and 7,126.03 is: 9,833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.03 : 17,546.77 = 7,126.03 : x
  2. Step 2: Convert to fraction form
    12,715.03/17,546.77 = 7,126.03/x
  3. Step 3: Cross multiply
    12,715.03x = 17,546.77 × 7,126.03
  4. Step 4: Simplify right side
    12,715.03x = 125,038,840.26
  5. Step 5: Solve for x
    x = 125,038,840.26/12,715.03
  6. Step 6: Final answer
    x = 9,833.94

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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.