Home / 11,417.22-15,753.78-6,381.24

Finding the Fourth Proportional to 11,417.22, 15,753.78 and 6,381.24

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Solution

The fourth proportional to 11,417.22, 15,753.78 and 6,381.24 is: 8,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.22 : 15,753.78 = 6,381.24 : x
  2. Step 2: Convert to fraction form
    11,417.22/15,753.78 = 6,381.24/x
  3. Step 3: Cross multiply
    11,417.22x = 15,753.78 × 6,381.24
  4. Step 4: Simplify right side
    11,417.22x = 100,528,651.09
  5. Step 5: Solve for x
    x = 100,528,651.09/11,417.22
  6. Step 6: Final answer
    x = 8,805.00

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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.