Home / 11,551.55-15,941.13-6,246.32

Finding the Fourth Proportional to 11,551.55, 15,941.13 and 6,246.32

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Solution

The fourth proportional to 11,551.55, 15,941.13 and 6,246.32 is: 8,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.55 : 15,941.13 = 6,246.32 : x
  2. Step 2: Convert to fraction form
    11,551.55/15,941.13 = 6,246.32/x
  3. Step 3: Cross multiply
    11,551.55x = 15,941.13 × 6,246.32
  4. Step 4: Simplify right side
    11,551.55x = 99,573,399.14
  5. Step 5: Solve for x
    x = 99,573,399.14/11,551.55
  6. Step 6: Final answer
    x = 8,619.92

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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.