Home / 11,643.12-17,468.10-4,247.40

Finding the Fourth Proportional to 11,643.12, 17,468.10 and 4,247.40

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Solution

The fourth proportional to 11,643.12, 17,468.10 and 4,247.40 is: 6,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.12 : 17,468.10 = 4,247.40 : x
  2. Step 2: Convert to fraction form
    11,643.12/17,468.10 = 4,247.40/x
  3. Step 3: Cross multiply
    11,643.12x = 17,468.10 × 4,247.40
  4. Step 4: Simplify right side
    11,643.12x = 74,194,007.94
  5. Step 5: Solve for x
    x = 74,194,007.94/11,643.12
  6. Step 6: Final answer
    x = 6,372.35

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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.