Home / 11,551.23-15,940.65-6,246.05

Finding the Fourth Proportional to 11,551.23, 15,940.65 and 6,246.05

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Solution

The fourth proportional to 11,551.23, 15,940.65 and 6,246.05 is: 8,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.23 : 15,940.65 = 6,246.05 : x
  2. Step 2: Convert to fraction form
    11,551.23/15,940.65 = 6,246.05/x
  3. Step 3: Cross multiply
    11,551.23x = 15,940.65 × 6,246.05
  4. Step 4: Simplify right side
    11,551.23x = 99,566,017.23
  5. Step 5: Solve for x
    x = 99,566,017.23/11,551.23
  6. Step 6: Final answer
    x = 8,619.52

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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.