Home / 11,577.11-15,976.70-7,098.26

Finding the Fourth Proportional to 11,577.11, 15,976.70 and 7,098.26

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Solution

The fourth proportional to 11,577.11, 15,976.70 and 7,098.26 is: 9,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.11 : 15,976.70 = 7,098.26 : x
  2. Step 2: Convert to fraction form
    11,577.11/15,976.70 = 7,098.26/x
  3. Step 3: Cross multiply
    11,577.11x = 15,976.70 × 7,098.26
  4. Step 4: Simplify right side
    11,577.11x = 113,406,655.17
  5. Step 5: Solve for x
    x = 113,406,655.17/11,577.11
  6. Step 6: Final answer
    x = 9,795.77

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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.