Home / 8,699.40-13,043.55-5,734.42

Finding the Fourth Proportional to 8,699.40, 13,043.55 and 5,734.42

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Solution

The fourth proportional to 8,699.40, 13,043.55 and 5,734.42 is: 8,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.40 : 13,043.55 = 5,734.42 : x
  2. Step 2: Convert to fraction form
    8,699.40/13,043.55 = 5,734.42/x
  3. Step 3: Cross multiply
    8,699.40x = 13,043.55 × 5,734.42
  4. Step 4: Simplify right side
    8,699.40x = 74,797,193.99
  5. Step 5: Solve for x
    x = 74,797,193.99/8,699.40
  6. Step 6: Final answer
    x = 8,597.97

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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.