Home / 11,403.15-15,737.49-6,927.35

Finding the Fourth Proportional to 11,403.15, 15,737.49 and 6,927.35

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Solution

The fourth proportional to 11,403.15, 15,737.49 and 6,927.35 is: 9,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.15 : 15,737.49 = 6,927.35 : x
  2. Step 2: Convert to fraction form
    11,403.15/15,737.49 = 6,927.35/x
  3. Step 3: Cross multiply
    11,403.15x = 15,737.49 × 6,927.35
  4. Step 4: Simplify right side
    11,403.15x = 109,019,022.66
  5. Step 5: Solve for x
    x = 109,019,022.66/11,403.15
  6. Step 6: Final answer
    x = 9,560.43

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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.