Home / 9,813.17-13,542.53-5,622.23

Finding the Fourth Proportional to 9,813.17, 13,542.53 and 5,622.23

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Solution

The fourth proportional to 9,813.17, 13,542.53 and 5,622.23 is: 7,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.17 : 13,542.53 = 5,622.23 : x
  2. Step 2: Convert to fraction form
    9,813.17/13,542.53 = 5,622.23/x
  3. Step 3: Cross multiply
    9,813.17x = 13,542.53 × 5,622.23
  4. Step 4: Simplify right side
    9,813.17x = 76,139,194.49
  5. Step 5: Solve for x
    x = 76,139,194.49/9,813.17
  6. Step 6: Final answer
    x = 7,758.88

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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.