Home / 9,081.28-13,623.72-3,534.40

Finding the Fourth Proportional to 9,081.28, 13,623.72 and 3,534.40

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Solution

The fourth proportional to 9,081.28, 13,623.72 and 3,534.40 is: 5,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.28 : 13,623.72 = 3,534.40 : x
  2. Step 2: Convert to fraction form
    9,081.28/13,623.72 = 3,534.40/x
  3. Step 3: Cross multiply
    9,081.28x = 13,623.72 × 3,534.40
  4. Step 4: Simplify right side
    9,081.28x = 48,151,675.97
  5. Step 5: Solve for x
    x = 48,151,675.97/9,081.28
  6. Step 6: Final answer
    x = 5,302.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.