Home / 9,811.04-13,535.20-5,616.96

Finding the Fourth Proportional to 9,811.04, 13,535.20 and 5,616.96

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Solution

The fourth proportional to 9,811.04, 13,535.20 and 5,616.96 is: 7,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.04 : 13,535.20 = 5,616.96 : x
  2. Step 2: Convert to fraction form
    9,811.04/13,535.20 = 5,616.96/x
  3. Step 3: Cross multiply
    9,811.04x = 13,535.20 × 5,616.96
  4. Step 4: Simplify right side
    9,811.04x = 76,026,676.99
  5. Step 5: Solve for x
    x = 76,026,676.99/9,811.04
  6. Step 6: Final answer
    x = 7,749.09

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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.