Home / 9,071.99-12,519.68-5,297.57

Finding the Fourth Proportional to 9,071.99, 12,519.68 and 5,297.57

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Solution

The fourth proportional to 9,071.99, 12,519.68 and 5,297.57 is: 7,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.99 : 12,519.68 = 5,297.57 : x
  2. Step 2: Convert to fraction form
    9,071.99/12,519.68 = 5,297.57/x
  3. Step 3: Cross multiply
    9,071.99x = 12,519.68 × 5,297.57
  4. Step 4: Simplify right side
    9,071.99x = 66,323,881.18
  5. Step 5: Solve for x
    x = 66,323,881.18/9,071.99
  6. Step 6: Final answer
    x = 7,310.84

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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.