Home / 9,359.75-12,919.26-5,585.56

Finding the Fourth Proportional to 9,359.75, 12,919.26 and 5,585.56

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Solution

The fourth proportional to 9,359.75, 12,919.26 and 5,585.56 is: 7,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.75 : 12,919.26 = 5,585.56 : x
  2. Step 2: Convert to fraction form
    9,359.75/12,919.26 = 5,585.56/x
  3. Step 3: Cross multiply
    9,359.75x = 12,919.26 × 5,585.56
  4. Step 4: Simplify right side
    9,359.75x = 72,161,290.53
  5. Step 5: Solve for x
    x = 72,161,290.53/9,359.75
  6. Step 6: Final answer
    x = 7,709.74

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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.