Home / 9,813.21-13,541.84-5,336.96

Finding the Fourth Proportional to 9,813.21, 13,541.84 and 5,336.96

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Solution

The fourth proportional to 9,813.21, 13,541.84 and 5,336.96 is: 7,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.21 : 13,541.84 = 5,336.96 : x
  2. Step 2: Convert to fraction form
    9,813.21/13,541.84 = 5,336.96/x
  3. Step 3: Cross multiply
    9,813.21x = 13,541.84 × 5,336.96
  4. Step 4: Simplify right side
    9,813.21x = 72,272,199.04
  5. Step 5: Solve for x
    x = 72,272,199.04/9,813.21
  6. Step 6: Final answer
    x = 7,364.79

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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.