Home / 7,405.08-11,066.67-6,634.17

Finding the Fourth Proportional to 7,405.08, 11,066.67 and 6,634.17

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Solution

The fourth proportional to 7,405.08, 11,066.67 and 6,634.17 is: 9,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.08 : 11,066.67 = 6,634.17 : x
  2. Step 2: Convert to fraction form
    7,405.08/11,066.67 = 6,634.17/x
  3. Step 3: Cross multiply
    7,405.08x = 11,066.67 × 6,634.17
  4. Step 4: Simplify right side
    7,405.08x = 73,418,170.11
  5. Step 5: Solve for x
    x = 73,418,170.11/7,405.08
  6. Step 6: Final answer
    x = 9,914.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.