Home / 9,071.15-13,615.99-4,691.75

Finding the Fourth Proportional to 9,071.15, 13,615.99 and 4,691.75

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Solution

The fourth proportional to 9,071.15, 13,615.99 and 4,691.75 is: 7,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.15 : 13,615.99 = 4,691.75 : x
  2. Step 2: Convert to fraction form
    9,071.15/13,615.99 = 4,691.75/x
  3. Step 3: Cross multiply
    9,071.15x = 13,615.99 × 4,691.75
  4. Step 4: Simplify right side
    9,071.15x = 63,882,741.27
  5. Step 5: Solve for x
    x = 63,882,741.27/9,071.15
  6. Step 6: Final answer
    x = 7,042.41

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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.