Home / 11,331.89-15,638.99-6,296.02

Finding the Fourth Proportional to 11,331.89, 15,638.99 and 6,296.02

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Solution

The fourth proportional to 11,331.89, 15,638.99 and 6,296.02 is: 8,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.89 : 15,638.99 = 6,296.02 : x
  2. Step 2: Convert to fraction form
    11,331.89/15,638.99 = 6,296.02/x
  3. Step 3: Cross multiply
    11,331.89x = 15,638.99 × 6,296.02
  4. Step 4: Simplify right side
    11,331.89x = 98,463,393.82
  5. Step 5: Solve for x
    x = 98,463,393.82/11,331.89
  6. Step 6: Final answer
    x = 8,689.05

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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.