Home / 9,813.64-13,542.55-5,337.58

Finding the Fourth Proportional to 9,813.64, 13,542.55 and 5,337.58

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Solution

The fourth proportional to 9,813.64, 13,542.55 and 5,337.58 is: 7,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.64 : 13,542.55 = 5,337.58 : x
  2. Step 2: Convert to fraction form
    9,813.64/13,542.55 = 5,337.58/x
  3. Step 3: Cross multiply
    9,813.64x = 13,542.55 × 5,337.58
  4. Step 4: Simplify right side
    9,813.64x = 72,284,444.03
  5. Step 5: Solve for x
    x = 72,284,444.03/9,813.64
  6. Step 6: Final answer
    x = 7,365.71

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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.