Home / 9,911.04-13,677.84-5,719.56

Finding the Fourth Proportional to 9,911.04, 13,677.84 and 5,719.56

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Solution

The fourth proportional to 9,911.04, 13,677.84 and 5,719.56 is: 7,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.04 : 13,677.84 = 5,719.56 : x
  2. Step 2: Convert to fraction form
    9,911.04/13,677.84 = 5,719.56/x
  3. Step 3: Cross multiply
    9,911.04x = 13,677.84 × 5,719.56
  4. Step 4: Simplify right side
    9,911.04x = 78,231,226.55
  5. Step 5: Solve for x
    x = 78,231,226.55/9,911.04
  6. Step 6: Final answer
    x = 7,893.34

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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.