Home / 7,705.98-11,563.02-4,198.50

Finding the Fourth Proportional to 7,705.98, 11,563.02 and 4,198.50

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Solution

The fourth proportional to 7,705.98, 11,563.02 and 4,198.50 is: 6,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.98 : 11,563.02 = 4,198.50 : x
  2. Step 2: Convert to fraction form
    7,705.98/11,563.02 = 4,198.50/x
  3. Step 3: Cross multiply
    7,705.98x = 11,563.02 × 4,198.50
  4. Step 4: Simplify right side
    7,705.98x = 48,547,339.47
  5. Step 5: Solve for x
    x = 48,547,339.47/7,705.98
  6. Step 6: Final answer
    x = 6,299.96

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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.