Home / 12,707.01-17,534.26-7,040.25

Finding the Fourth Proportional to 12,707.01, 17,534.26 and 7,040.25

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Solution

The fourth proportional to 12,707.01, 17,534.26 and 7,040.25 is: 9,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.01 : 17,534.26 = 7,040.25 : x
  2. Step 2: Convert to fraction form
    12,707.01/17,534.26 = 7,040.25/x
  3. Step 3: Cross multiply
    12,707.01x = 17,534.26 × 7,040.25
  4. Step 4: Simplify right side
    12,707.01x = 123,445,573.97
  5. Step 5: Solve for x
    x = 123,445,573.97/12,707.01
  6. Step 6: Final answer
    x = 9,714.76

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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.