Home / 9,813.33-13,542.57-5,337.18

Finding the Fourth Proportional to 9,813.33, 13,542.57 and 5,337.18

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Solution

The fourth proportional to 9,813.33, 13,542.57 and 5,337.18 is: 7,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.33 : 13,542.57 = 5,337.18 : x
  2. Step 2: Convert to fraction form
    9,813.33/13,542.57 = 5,337.18/x
  3. Step 3: Cross multiply
    9,813.33x = 13,542.57 × 5,337.18
  4. Step 4: Simplify right side
    9,813.33x = 72,279,133.75
  5. Step 5: Solve for x
    x = 72,279,133.75/9,813.33
  6. Step 6: Final answer
    x = 7,365.40

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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.