Home / 11,543.72-15,935.66-6,763

Finding the Fourth Proportional to 11,543.72, 15,935.66 and 6,763

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Solution

The fourth proportional to 11,543.72, 15,935.66 and 6,763 is: 9,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.72 : 15,935.66 = 6,763 : x
  2. Step 2: Convert to fraction form
    11,543.72/15,935.66 = 6,763/x
  3. Step 3: Cross multiply
    11,543.72x = 15,935.66 × 6,763
  4. Step 4: Simplify right side
    11,543.72x = 107,772,868.58
  5. Step 5: Solve for x
    x = 107,772,868.58/11,543.72
  6. Step 6: Final answer
    x = 9,336.06

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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.