Home / 9,078.63-13,618.77-3,532.38

Finding the Fourth Proportional to 9,078.63, 13,618.77 and 3,532.38

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Solution

The fourth proportional to 9,078.63, 13,618.77 and 3,532.38 is: 5,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.63 : 13,618.77 = 3,532.38 : x
  2. Step 2: Convert to fraction form
    9,078.63/13,618.77 = 3,532.38/x
  3. Step 3: Cross multiply
    9,078.63x = 13,618.77 × 3,532.38
  4. Step 4: Simplify right side
    9,078.63x = 48,106,670.77
  5. Step 5: Solve for x
    x = 48,106,670.77/9,078.63
  6. Step 6: Final answer
    x = 5,298.89

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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.