Home / 11,684.18-16,126.08-6,971.24

Finding the Fourth Proportional to 11,684.18, 16,126.08 and 6,971.24

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Solution

The fourth proportional to 11,684.18, 16,126.08 and 6,971.24 is: 9,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.18 : 16,126.08 = 6,971.24 : x
  2. Step 2: Convert to fraction form
    11,684.18/16,126.08 = 6,971.24/x
  3. Step 3: Cross multiply
    11,684.18x = 16,126.08 × 6,971.24
  4. Step 4: Simplify right side
    11,684.18x = 112,418,773.94
  5. Step 5: Solve for x
    x = 112,418,773.94/11,684.18
  6. Step 6: Final answer
    x = 9,621.45

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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.