Home / 11,318.24-15,618.50-6,282.10

Finding the Fourth Proportional to 11,318.24, 15,618.50 and 6,282.10

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Solution

The fourth proportional to 11,318.24, 15,618.50 and 6,282.10 is: 8,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.24 : 15,618.50 = 6,282.10 : x
  2. Step 2: Convert to fraction form
    11,318.24/15,618.50 = 6,282.10/x
  3. Step 3: Cross multiply
    11,318.24x = 15,618.50 × 6,282.10
  4. Step 4: Simplify right side
    11,318.24x = 98,116,978.85
  5. Step 5: Solve for x
    x = 98,116,978.85/11,318.24
  6. Step 6: Final answer
    x = 8,668.93

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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.