Home / 6,919.50-9,559.31-4,535.13

Finding the Fourth Proportional to 6,919.50, 9,559.31 and 4,535.13

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Solution

The fourth proportional to 6,919.50, 9,559.31 and 4,535.13 is: 6,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.50 : 9,559.31 = 4,535.13 : x
  2. Step 2: Convert to fraction form
    6,919.50/9,559.31 = 4,535.13/x
  3. Step 3: Cross multiply
    6,919.50x = 9,559.31 × 4,535.13
  4. Step 4: Simplify right side
    6,919.50x = 43,352,690.88
  5. Step 5: Solve for x
    x = 43,352,690.88/6,919.50
  6. Step 6: Final answer
    x = 6,265.29

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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.