Home / 11,343.30-15,653.67-6,307.98

Finding the Fourth Proportional to 11,343.30, 15,653.67 and 6,307.98

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Solution

The fourth proportional to 11,343.30, 15,653.67 and 6,307.98 is: 8,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.30 : 15,653.67 = 6,307.98 : x
  2. Step 2: Convert to fraction form
    11,343.30/15,653.67 = 6,307.98/x
  3. Step 3: Cross multiply
    11,343.30x = 15,653.67 × 6,307.98
  4. Step 4: Simplify right side
    11,343.30x = 98,743,037.29
  5. Step 5: Solve for x
    x = 98,743,037.29/11,343.30
  6. Step 6: Final answer
    x = 8,704.97

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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.