Home / 11,311.16-15,608.99-6,275.60

Finding the Fourth Proportional to 11,311.16, 15,608.99 and 6,275.60

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Solution

The fourth proportional to 11,311.16, 15,608.99 and 6,275.60 is: 8,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.16 : 15,608.99 = 6,275.60 : x
  2. Step 2: Convert to fraction form
    11,311.16/15,608.99 = 6,275.60/x
  3. Step 3: Cross multiply
    11,311.16x = 15,608.99 × 6,275.60
  4. Step 4: Simplify right side
    11,311.16x = 97,955,668.22
  5. Step 5: Solve for x
    x = 97,955,668.22/11,311.16
  6. Step 6: Final answer
    x = 8,660.09

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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.