Home / 11,840.30-16,337.66-6,803.45

Finding the Fourth Proportional to 11,840.30, 16,337.66 and 6,803.45

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Solution

The fourth proportional to 11,840.30, 16,337.66 and 6,803.45 is: 9,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.30 : 16,337.66 = 6,803.45 : x
  2. Step 2: Convert to fraction form
    11,840.30/16,337.66 = 6,803.45/x
  3. Step 3: Cross multiply
    11,840.30x = 16,337.66 × 6,803.45
  4. Step 4: Simplify right side
    11,840.30x = 111,152,436.29
  5. Step 5: Solve for x
    x = 111,152,436.29/11,840.30
  6. Step 6: Final answer
    x = 9,387.64

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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.