Home / 9,813.24-13,542.39-5,337.01

Finding the Fourth Proportional to 9,813.24, 13,542.39 and 5,337.01

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Solution

The fourth proportional to 9,813.24, 13,542.39 and 5,337.01 is: 7,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.24 : 13,542.39 = 5,337.01 : x
  2. Step 2: Convert to fraction form
    9,813.24/13,542.39 = 5,337.01/x
  3. Step 3: Cross multiply
    9,813.24x = 13,542.39 × 5,337.01
  4. Step 4: Simplify right side
    9,813.24x = 72,275,870.85
  5. Step 5: Solve for x
    x = 72,275,870.85/9,813.24
  6. Step 6: Final answer
    x = 7,365.14

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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.