Home / 11,577.51-15,977.25-7,098.68

Finding the Fourth Proportional to 11,577.51, 15,977.25 and 7,098.68

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Solution

The fourth proportional to 11,577.51, 15,977.25 and 7,098.68 is: 9,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.51 : 15,977.25 = 7,098.68 : x
  2. Step 2: Convert to fraction form
    11,577.51/15,977.25 = 7,098.68/x
  3. Step 3: Cross multiply
    11,577.51x = 15,977.25 × 7,098.68
  4. Step 4: Simplify right side
    11,577.51x = 113,417,424.97
  5. Step 5: Solve for x
    x = 113,417,424.97/11,577.51
  6. Step 6: Final answer
    x = 9,796.36

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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.