Home / 11,477.22-17,218.55-4,082.32

Finding the Fourth Proportional to 11,477.22, 17,218.55 and 4,082.32

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Solution

The fourth proportional to 11,477.22, 17,218.55 and 4,082.32 is: 6,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.22 : 17,218.55 = 4,082.32 : x
  2. Step 2: Convert to fraction form
    11,477.22/17,218.55 = 4,082.32/x
  3. Step 3: Cross multiply
    11,477.22x = 17,218.55 × 4,082.32
  4. Step 4: Simplify right side
    11,477.22x = 70,291,631.04
  5. Step 5: Solve for x
    x = 70,291,631.04/11,477.22
  6. Step 6: Final answer
    x = 6,124.45

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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.