Home / 7,633.98-11,437.61-5,431.19

Finding the Fourth Proportional to 7,633.98, 11,437.61 and 5,431.19

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Solution

The fourth proportional to 7,633.98, 11,437.61 and 5,431.19 is: 8,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.98 : 11,437.61 = 5,431.19 : x
  2. Step 2: Convert to fraction form
    7,633.98/11,437.61 = 5,431.19/x
  3. Step 3: Cross multiply
    7,633.98x = 11,437.61 × 5,431.19
  4. Step 4: Simplify right side
    7,633.98x = 62,119,748.71
  5. Step 5: Solve for x
    x = 62,119,748.71/7,633.98
  6. Step 6: Final answer
    x = 8,137.27

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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.