Home / 9,539.87-13,165.85-5,560.90

Finding the Fourth Proportional to 9,539.87, 13,165.85 and 5,560.90

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Solution

The fourth proportional to 9,539.87, 13,165.85 and 5,560.90 is: 7,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.87 : 13,165.85 = 5,560.90 : x
  2. Step 2: Convert to fraction form
    9,539.87/13,165.85 = 5,560.90/x
  3. Step 3: Cross multiply
    9,539.87x = 13,165.85 × 5,560.90
  4. Step 4: Simplify right side
    9,539.87x = 73,213,956.25
  5. Step 5: Solve for x
    x = 73,213,956.25/9,539.87
  6. Step 6: Final answer
    x = 7,674.52

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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.