Home / 11,681.10-16,119.96-6,376.23

Finding the Fourth Proportional to 11,681.10, 16,119.96 and 6,376.23

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Solution

The fourth proportional to 11,681.10, 16,119.96 and 6,376.23 is: 8,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.10 : 16,119.96 = 6,376.23 : x
  2. Step 2: Convert to fraction form
    11,681.10/16,119.96 = 6,376.23/x
  3. Step 3: Cross multiply
    11,681.10x = 16,119.96 × 6,376.23
  4. Step 4: Simplify right side
    11,681.10x = 102,784,572.55
  5. Step 5: Solve for x
    x = 102,784,572.55/11,681.10
  6. Step 6: Final answer
    x = 8,799.22

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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.