Home / 12,716.03-17,548.15-7,127.03

Finding the Fourth Proportional to 12,716.03, 17,548.15 and 7,127.03

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Solution

The fourth proportional to 12,716.03, 17,548.15 and 7,127.03 is: 9,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.03 : 17,548.15 = 7,127.03 : x
  2. Step 2: Convert to fraction form
    12,716.03/17,548.15 = 7,127.03/x
  3. Step 3: Cross multiply
    12,716.03x = 17,548.15 × 7,127.03
  4. Step 4: Simplify right side
    12,716.03x = 125,066,191.49
  5. Step 5: Solve for x
    x = 125,066,191.49/12,716.03
  6. Step 6: Final answer
    x = 9,835.32

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Half scale
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Double scale
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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.