Home / 11,417.42-15,753.99-6,381.74

Finding the Fourth Proportional to 11,417.42, 15,753.99 and 6,381.74

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Solution

The fourth proportional to 11,417.42, 15,753.99 and 6,381.74 is: 8,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.42 : 15,753.99 = 6,381.74 : x
  2. Step 2: Convert to fraction form
    11,417.42/15,753.99 = 6,381.74/x
  3. Step 3: Cross multiply
    11,417.42x = 15,753.99 × 6,381.74
  4. Step 4: Simplify right side
    11,417.42x = 100,537,868.14
  5. Step 5: Solve for x
    x = 100,537,868.14/11,417.42
  6. Step 6: Final answer
    x = 8,805.66

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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.