Home / 11,417.18-15,754.38-6,381.41

Finding the Fourth Proportional to 11,417.18, 15,754.38 and 6,381.41

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Solution

The fourth proportional to 11,417.18, 15,754.38 and 6,381.41 is: 8,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.18 : 15,754.38 = 6,381.41 : x
  2. Step 2: Convert to fraction form
    11,417.18/15,754.38 = 6,381.41/x
  3. Step 3: Cross multiply
    11,417.18x = 15,754.38 × 6,381.41
  4. Step 4: Simplify right side
    11,417.18x = 100,535,158.08
  5. Step 5: Solve for x
    x = 100,535,158.08/11,417.18
  6. Step 6: Final answer
    x = 8,805.60

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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.