Home / 9,299.44-12,830.08-5,317.71

Finding the Fourth Proportional to 9,299.44, 12,830.08 and 5,317.71

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Solution

The fourth proportional to 9,299.44, 12,830.08 and 5,317.71 is: 7,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.44 : 12,830.08 = 5,317.71 : x
  2. Step 2: Convert to fraction form
    9,299.44/12,830.08 = 5,317.71/x
  3. Step 3: Cross multiply
    9,299.44x = 12,830.08 × 5,317.71
  4. Step 4: Simplify right side
    9,299.44x = 68,226,644.72
  5. Step 5: Solve for x
    x = 68,226,644.72/9,299.44
  6. Step 6: Final answer
    x = 7,336.64

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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.