Home / 10,315.98-15,476.11-4,690.97

Finding the Fourth Proportional to 10,315.98, 15,476.11 and 4,690.97

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Solution

The fourth proportional to 10,315.98, 15,476.11 and 4,690.97 is: 7,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.98 : 15,476.11 = 4,690.97 : x
  2. Step 2: Convert to fraction form
    10,315.98/15,476.11 = 4,690.97/x
  3. Step 3: Cross multiply
    10,315.98x = 15,476.11 × 4,690.97
  4. Step 4: Simplify right side
    10,315.98x = 72,597,967.73
  5. Step 5: Solve for x
    x = 72,597,967.73/10,315.98
  6. Step 6: Final answer
    x = 7,037.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.