Home / 7,101.11-10,643.57-4,321.66

Finding the Fourth Proportional to 7,101.11, 10,643.57 and 4,321.66

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Solution

The fourth proportional to 7,101.11, 10,643.57 and 4,321.66 is: 6,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.11 : 10,643.57 = 4,321.66 : x
  2. Step 2: Convert to fraction form
    7,101.11/10,643.57 = 4,321.66/x
  3. Step 3: Cross multiply
    7,101.11x = 10,643.57 × 4,321.66
  4. Step 4: Simplify right side
    7,101.11x = 45,997,837.51
  5. Step 5: Solve for x
    x = 45,997,837.51/7,101.11
  6. Step 6: Final answer
    x = 6,477.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.